LunaGear
30.09.2019 •
Mathematics
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?
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Ответ:
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
Ответ:
B
Step-by-step explanation:
first there have a full line that means y must be > and = one figure