x+y=18000
.08x+.09y=1559
Multiply the top equation by 8 and the bottom equation by 100.
Subtract to get y...and then use the original top equation to get x.
Analia B.
asked 09/25/22A person had $18,000 invested in two accounts, one paying 8% simple interest and one paying 9% simple interest. How much was invested in each account if the interest after 1 yr is $1559?
If possible please explain through the solving! I have a hard time understanding equations and how to put them into a calculator.
x+y=18000
.08x+.09y=1559
Multiply the top equation by 8 and the bottom equation by 100.
Subtract to get y...and then use the original top equation to get x.
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