vcevada vcevada

11-05-2018
Mathematics

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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?

Respuesta :

midknight9 midknight9

13-05-2018

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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