Question

Sally's $1,800 savings is in two accounts. One account earns 6% annual interest and the other earns 3%. Her total interest for the year is $93. How much does she have in each account?

Answer 1

amount in the 6% account ---- x
amount in the 3% account ----- 1800-x

.06x + .03(1800-x) = 93
times 100
6x + 3(1800-x) = 9300

take over

Answer 2

Erika made a deposit of $1,800 into an account that earns 2% annual compound interest. Find the balance in Erika's account after 3 years.