# Acc. Algebra 2

Jan invested \$1200 at a certain simple interest rate and \$2200 at 3%higher. Her annual earnings were \$253. Find the two interests rate if she earned \$121 more on the larger investment than on the smaller.

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1. smaller rate --- x
larger rate ----- x + .03

1200x + 2200(x+.03) = 253
1200x + 2200x + 66 = 253
3400x = 187
x = .055
lower rate is 5.5% higher rate is 8.5%

check:
return on 1200 = .055(1200) = 66
return on 2200 = .085(2200) = 187
which is \$121 more

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posted by Reiny
2. Yeah I realized that!!! Thank you very much!!!

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posted by Lisa

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