# algebra

a bank teller has 52 \$5 and \$10 bills in her cash drawer. the value of the bills is \$460. how many \$5 bills are there?

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1. add up the value of the bills:

5x + 10(52-x) = 460
5x + 520 - 10x = 460
5x = 60
x = 12

check:
5(12) + 10(40) = 60 + 400 = 460

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