Posted by **Marie P.** on Monday, August 4, 2014 at 6:54pm.

Ronelio invests $29,000 in two one-year certificates of deposit. One certificate pays 4%, and the other pays 4.75% simple interest annually.

(a) Construct a model for the total interest I(x) Ronelio earns in one year on his investments. (Let x represent the amount invested at 4%.)

(b) If Ronelio's total interest is $1332.50, how much money did he invest in each certificate?

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