# algebra 1

posted by kelly

marcy has a total of 100 dimes and quarters. if the total value of the coins is \$14.05, how many quarters does she have?

1. drwls

D + Q = 100
10 D + 25 Q = 1405

Solve.

10 D + 10 Q = 1000

15 Q = 405

etc.

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