9192 is invested, part at 10% and the rest at 9%. If the interest earned from the amount invested at 10% exceeds the interest earned from the amount invested at 9% by 716.85, how much is invested at each rate?

the anwser is d) 75°

step-by-step explanation:

answer: 5 17/33 % (to the tenth)

step-by-step explanation:

he guessed: 34.5 pounds

actual weight is 32.7

there for he is off:

34.5 -32.7 = 1.8

32.7 is the 100%

1.8 represents %? of 32.7

therefore:

32.7   - 100%

1.8     -     x%

x= 1.8*100%/32.7% = 18*100%/327%

x=1800%/327%   = (5 165/327)%

to the tenth:

5 17/33 %

5x10^11 x 65

325 x 10^11

or

325,