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In a coin collection, the number of dimes is 10 less than three times the number of quarters. If the collection has 56 dimes, How many quarters are in the collection?

Relax

Respuesta :

midknight9
Quarters = x
Dimes = y

y = 3x - 10; Since the collection has 56 dimes:

56 = 3x - 10

Solve for x: 3x = 66 => x = 22

The number of quarters in the collection is 22.

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