A student has money in three accounts that pay 5%, 7%, and 8% in annual interest. She has three times as much invested at 8% as she does at 5%. If the total amount she has invested is $1,900 and her interest for the year comes to $136, how much money does she have in each account?
A) $325 at 5%, $600 at 7%, $975 at 8%
B) $275 at 5%, $800 at 7%, $825 at 8%
C) $350 at 5%, $500 at 7%, $1,050 at 8%
D) $250 at 5%, $900 at 7%, $750 at 8%
E) $300 at 5%, $700 at 7%, $900 at 8%

Question

Quizplus · Accepted Answer

The student has $300 at 5%, $700 at 7%, and $900 at 8%. The total investment is $1,900, and the interest calculation matches: $300*0.05 + $700*0.07 + $900*0.08 = $136. Also, the amount at 8% is three times the amount at 5%.

A Student Has Money in Three Accounts That Pay 5