karina688pbw457 karina688pbw457

15-07-2018
Mathematics

contestada

Todd has some nickels dimes and quarters which totaled $2.50 he has twice as many quarters as dimes and four times as many quarters as Nickels. how many quarters does he have?

Respuesta :

jungmin5560 jungmin5560

15-07-2018

.1D + .5N + .25Q = 2.50

D = 2Q

N = 4Q

4Q = 2D = N

2000(.1D + .05N + .25Q = 2.5)

200D + 100N + 500Q = 5000

100Q + 25Q + 500Q = 5000

625Q = 5000

Q = 8

There are 8 quarters

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