Seudónimo Seudónimo

19-01-2017
Mathematics

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a vending machine has twice as many quarters in it as dollar bills. if the quarters and dollar bills have a combined value os $96.00, how many quarters are in the vending machine?

Respuesta :

Bubblez62801 Bubblez62801

19-01-2017

There are 128 quarters in the vending machine

Answer Link

Hi4801824552 Hi4801824552

19-01-2017

D = dollars. Q = 2D

0.25(2D) + D = 96
0.5D + D = 96
1.5D = 96
D= 64 dollars

therefore, there's 64 x 2, or 128 quarters in the machine

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