interest problem

Question

A woman invested 4 times as much at 7% as she did at 6%. The total amount of interest she earns in 1 year from both accounts is $1,360. How much did she invest at each rate?

She invested $____ Incorrect in the 6% account and $_____Incorrect in the 7% account.

Answer 1

.07(4x) + .06x = 1360

.34x = 1360

x= 1360/.34 = amount invested at 6% = $4,000

$16,000 invested at 7%