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raharmicnimles raharmicnimles
  • 04-02-2017
  • Mathematics
Answered

One day a store sold 29 sweatshirts. white ones cost $11.95 and yellow ones cost $11.50. in all, $338.90 worth of sweatshirts were sold. how many of each color were sold?

Verified Answer :

wolf1728
wolf1728 wolf1728
  • 04-02-2017
AW + Y = 29
B) 11.95 W + 11.50 Y = 338.90

Multiply equation A by -11.5
A) -11.5 W + -11.50Y = -333.50 then add to B)
B) 11.95 W + 11.50 Y = 338.90

.45 W = 5.4
 W = 12 and so
Y = 17

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