## Question

###### Maya has 2x as many white beads as black beads. After using 40 white and 5 black to make a necklace she has 3x as many black beads as white. How many black beads she started with?

Maya has 2x as many white beads as black beads. After using 40 white and 5 black to make a necklace she has 3x as many black beads as white. How many black beads she started with?

## Answers

She started with

#23# black beads.## Explanation:

Suppose Maya has

#B# black beads and so has#2B# white beads.She used

#5# black beads and#40# white beads,so she was left with

#(B-5)# black beads and#2B-40# white beads.Now as she has

#3# times as many black beads as white,

#B-5=3xx(2B-40)# or

#B-5=6B-120# or

#120-5=6B-B# or

#5B=115# i.e.#B=115/5=23# Hence, she started with

#23# black beads.

#### Similar Solved Questions

1 answers

##### Exercise Help Save & E Che Karim Corp. requires a minimum $9,500 cash balance. Loans taken...

Exercise Help Save & E Che Karim Corp. requires a minimum $9,500 cash balance. Loans taken to meet this requirement cost 2% interest per month paid monthly). Any excess cash is used to repay loans at month-end. The cash balance on July 1 is $9,900, and the company has no outstanding loans. Forec...

1 answers

##### Ariel Corporation uses the direct method to prepare its statement of cash flows. Data related to...

Ariel Corporation uses the direct method to prepare its statement of cash flows. Data related to cash activities for last year appear next (Click the icon to view the data.) Answer the following questions Data Table Questions Paid for equipment $ 16,000 Paid for interest $ 4,700 Paid to suppliers 35...

1 answers

##### Circle Circumfer Circle Diameter r is radius Finish A sprinter runs the curve of this 200...

Circle Circumfer Circle Diameter r is radius Finish A sprinter runs the curve of this 200 m in 10.34 s. Assume he ran in a lane which makes a semicircle (r 36.3 m) for the first part of the race. At 3.44 s into the race his speed is 4.0 m/s. At 8.0 s into the race his speed is 9.6 m/s. His speed aft...

1 answers

##### Two objects, whose charges are +1.0 ?C and −0.50 ?C are separated by 0.25 m. Compared...

Two objects, whose charges are +1.0 ?C and −0.50 ?C are separated by 0.25 m. Compared to this separation distance, the sizes of the objects are small. Find the magnitude of the attractive force, in newtons, that either charge exerts on the other....

1 answers

##### Please help as soon as possible ergent please i dont have any question left to post...

please help as soon as possible ergent please i dont have any question left to post if you help to answer all will be so thankful a bond forming Question 8 (1 point) For the decomposition of mercury(II) oxide, Hgo, to mercury and oxygen 2HgO(s) - 2Hg(1) + O2(g) What is the standard ...

1 answers

##### 1. In the following reaction, indicate the Bronsted acid, Bronsted base, and conjugate acid base pairs...

1. In the following reaction, indicate the Bronsted acid, Bronsted base, and conjugate acid base pairs NH3 H20 NH4 OH 2. The following reaction is allowed to reach equilibrium. 2 NO (g)+Ch () 2 NOCI (g) Analysis of the equilibrium mixture shows [NO] 0.574, [Cl2] 0.126, and [NOCI] Calculate the equil...

2 answers

##### How do you evaluate the limit x 3 + 1 x + 1 as x approaches 2 ?

How do you evaluate the limit x 3 + 1 x + 1 as x approaches 2 ?...

1 answers

##### Question 11 6 pts (TCOs 2 and 3) The difference between the supply voltage and the...

Question 11 6 pts (TCOs 2 and 3) The difference between the supply voltage and the output voltage is called the saturation voltage O the base voltage O the load voltage O the linear voltage Question 12 9 pts (TCO 3) A linear power amplifier IC typically delivers a load to two pnp transistors one npn...

1 answers

##### Number 1 1. (25 points) Find the gain and phase margin when the plant and controller...

number 1 1. (25 points) Find the gain and phase margin when the plant and controller are: P(s) = 81 C(s) = $1 2. (25 points) Find the discrete time unit step response of the system with transfer function G(2) = (3-1):-)...

1 answers

##### What is internal control, and what are the objectives of a well-designed internal control structure in...

What is internal control, and what are the objectives of a well-designed internal control structure in an organization?...

1 answers

##### 4 8 02:55:34) A B с D Outside Diam = 3 in. Outside Diam = 2...

4 8 02:55:34) A B с D Outside Diam = 3 in. Outside Diam = 2 in. Outside Diam = 1.5 in. T2 T T 30 in. 18 in. 12 in. Section 2. Problem 4. (25 pts.) A system of bars is loaded torqes as shown. Determine: a) the shear stress in each bar. b) the twist of pont D with respect to point a. Assume that...

1 answers

##### The basketball pole ABC is fixed at A and is subject to a force Pas indicated...

The basketball pole ABC is fixed at A and is subject to a force Pas indicated below. The circular cross-section has outer diameter do = 81 mm and inner diameter di = 41 mm. Assume a = 677 mm, L= 2902 mm, P = 820 N, 0 = 62° and b = 580 mm. B 2 D y Determine the state of stress at point D: evaluat...

1 answers

##### What is the molar solubility of PbI2 in water. ksp= 1.4x10^-8

what is the molar solubility of PbI2 in water. ksp= 1.4x10^-8...

1 answers

##### Part 3: Identify Associations Using Real Data (where the associations are not 100%) When researchers scan...

Part 3: Identify Associations Using Real Data (where the associations are not 100%) When researchers scan the genome using thousands of markers to identify variations that are associated with particular phenotypes, they need techniques to evaluate the strength of the associations so that they know w...

1 answers

##### Uestion 3 of 30 Map General Chemistry 4th Edition University Science Books presented by Sapling Leaming Balance t...

uestion 3 of 30 Map General Chemistry 4th Edition University Science Books presented by Sapling Leaming Balance the chemical equation by adding coefficients as needed. FeCl,lag) + KMnO,(aq) + HClaq) → FeC1,(aq) + Mnci,lag) + H2O(l) + KCl(aq) | Tip: If you need to clear your work and reset the e...

1 answers

##### Evaluate the first limit 13] 3. Differentiate the following. Simplify your answers. a. f(x) = (x-2)2 (x + 3)" 13...

evaluate the first limit 13] 3. Differentiate the following. Simplify your answers. a. f(x) = (x-2)2 (x + 3)" 131 r+1 b. f(x)s 131 x+1 Page 3 of 12 13] 3. Differentiate the following. Simplify your answers. a. f(x) = (x-2)2 (x + 3)" 131 r+1 b. f(x)s 131 x+1 Page 3 of 12...