# Algebra

A total of 23,456.78 dollars was invested in two funds paying 2½ percent and 1¾ annual interest. The combined interest for the year percent is 368 dollars and 50 cents.
Part A: How much of the 23,456.78 dollars is invested in 2½ percent fund?
Part B: How much of the 23,456.78 dollars is invested in 1¾ percent fund?

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1. let x be the amount invested at 2½%
Then the rest (23456.78-x) was invested at 1¾%

So now, just add up the interest to find x.
0.025x + 0.175(23456.78-x) = 368.50

once you have x, you know the two amounts.

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