3 years ago

Abby has 49 coins, consisting only of dimes and quarters, worth $8.35. How many dimes and how many quarters does she have?

1 answer:

4 0

Let q represent the number of quarters Abby has. Then the number of dimes she has is 49-q. The total amount of money she has in dimes and quarters is ...

25q +10(49 -q) = 835

15q + 490 = 835 . . . . . . simplify

q = (835 -490)/15 = 23 . . . . solve for q

Abby has 23 quarters and 26 dimes.

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