pre calc
posted by bethany .
Carson wants to invest $100,000 in two ways. He wants to purchase a certificate of deposit that pays 11% per year and invest the rest in coorporate bonds that pay 15% per year. He is looking for a total return of 12%. How much money should Carson place into each investment property?

treat just like any mixture problem. Add up the returns.
If x is in the CD, then 100000x is in bonds.
.11x + .15(100000x) = .12(100000)
x = 75,000
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