Sam lent her brother some money at 9% simple interest and her sister one-half as much money at 16% interest. If she received a total of 34 cents in interest, then how much did she lend to each one?

Answer 1

amount lent to brother = x
amount lent to sister = x/2

solve:
.09x + .16(x/2) = 34

Answer 2

Reiny,
Is the answer x=200