caroliChritdel4ison caroliChritdel4ison

25-03-2017
Mathematics

contestada

One day a store sold 32 sweatshirts, white ones cost $11.95 and yellow ones cost $11.50. in all, $373.40 worth of sweatshirts were sold. how many of each color were sold?

Respuesta :

25-03-2017

32=w+y, w=32-y...

11.95w+11.5y=373.4, using w from above gives us:

11.95(32-y)+11.5y=373.4

382.4-11.95y+11.5y=373.4

-.45y=-9

y=20

So 20 yellow and (32-20) 12 white shirts were sold.

Answer Link

Aliwohaish12 Aliwohaish12

25-03-2017

Let
W=white
Y=yellow
11.5(32-w)+11.95w=373.40
Solve for w
W=12
Y=32-12=20

Answer Link

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