3000 exercise books are arranged into 3 piles. the first pile has 10 more books than the second pile. the number of books in the second pike is twice the number of books in the third pile. how many books are there in the third pile.

the answer is 200

step-by-step explanation:

the way the question is worded, it seems to imply the $264 interest is simple interest, not compound interest.

the simple interest for 2 years is $264; the simple interest for 1 year is $132.

$132 interest on a $600 investment means an interest rate of (132/600)*100 = 22%.

the value of $200 at 22% interest compounded annually for three years is

200%281.22%29%5e3

the amount of interest is that value, minus the original $200.

answer: its the third option.

step-by-step explanation:

i just took the test.

my dear correct answer is option number 3

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