You plan to feed your dog a mixture of chicken and rice. One cup of chicken contains 19 grams of fat and 42 grams of protein. One cup of rice contains 1 gram of fat and 4 grams of protein. Your dog’s dinner needs to contain 31 grams of fat and 73 grams of protein. How many cups of each ingredient should you use?

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.