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9 A bank deposit paying simple interest grew from an ini- tial sum of SIOOO to a sum of $1075 in 9 months. the interest rate Find...

Question

9 A bank deposit paying simple interest grew from an ini- tial sum of SIOOO to a sum of $1075 in 9 months. the interest rate Find

9 A bank deposit paying simple interest grew from an ini- tial sum of SIOOO to a sum of $1075 in 9 months. the interest rate Find



Answers

Find the maturity value and the amount of simple interest earned.
If $\$ 23,500$ earned simple interest of $\$ 1057.50$ in 9 months, what was the simple interest rate?

So to to the fifth power. This is just the same as the base to multiplied by itself another four times for a total of five times. So we can evaluate this electorate two times two is four times, two times two is four times two four times for 16 times two. So, therefore to to the fifth, power is just 32.

For this question. We're using our compound amount, which has the fallen formula. Okay, so we're given a principle of 12,500 that increases to our amount of 20,000 and 77 points. 43. We see that we have compound quarterly, which is RM value for, and that's for nine years. So that's Artie's equal tonight. I know it's all for our, So I'm going to start by dividing by 12,500. Okay, and then let's see four times line that's 36 now multiply both sides to a power of 1/36 to get rid of this part. And then we have this to the part of 1/36 and now I'll subject on both sides by one, and I multiply both sides by four. So we get the falling. So let's plug, since you are calculator to have four times following and that use me a rate of 0.53 which is equal to 5.3 sets

Okay, Before we start solving the problem, I would like you got to take a moment to read the question very carefully and take at least five mini to try. Saw the problem. So a politic please pause the video and start working on it so and you can breathe it. Say it. It's asking you to fight a present valley. A $10,000 with the entrance up to 9% for years, with the compounding semi annually for three years. So his meetings tomorrow you, you need to pay up in $10,000 0 Mama Agassi's ice. It is equal to 10,000 right? Don't so we my interests So my interest. So I can say, Ethan, all callous navies and all read this is 90%. Okay. Oh, I could convert It's night over to one hundred's Oregon say 0.9 I remember is a compounded semi annually. It's mean you only pay too calm for years. Okay, combined cynical humans. That was a compounded semi annually. It was the two time plus years. Right? And you have a 23 year toe pay for by a friend, so t equal to three. Yes, Yeah. So with that Means is we can using the compounding interest formula, which is look like this. So I equal to P Opal princess, Right? One plus over in Columbus is in Tom Team. Yeah, so you know a thing. It's ah, 10 dozen of which is a mountain of a molehill. Martin, you need to pay you end up paying, right? So he's gonna be 10,000 equal to a present value of a piece with the money to pay. Yeah, open Francis one plus. So all in the interest of the red interest with 0.9 over the end. So the end is ah, number of the compounding. Yeah. So the compounding similar. I said, if you buy two times for years, so a single Oh, it is That being said, it's over to you. We got the only point in time, but yes, right. Um so it could be indicated to Tom with a teak, which is a Tom. They give you three years, so great. Shoot on three for less than I do. Simple master. We see so watching, including 10,000 equal to P open princess. Right. So one plus little boys they know not you, but by two. You simply find that you get one point. Oh, for five o'clock Bonuses to probably sick. All right, so therefore, you get P equal to $10,000 over 1.0 full. Fine, Apollo. Sick. Right. So when you simplify this, you can't. You should get 7000 600 78 0.96 door. Okay, so that's a little present value. You will be received, you know. So other satellites in friend meant that someone would be much invented by now. So? So for two years And with that interest back, my purse sane for years, you get to another. So this is your final answer. Okay, give me much.


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