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Jobisdone [24]
3 years ago
15

This Question: 1 pt 10 of 10 (8 complete) Th One day a store sold 30 sweatshirts. White ones cost $11.95 and yellow ones cost $1

2.50. In all, $364.55 worth of sweatshirts were sold. How many of each color were sold? The store sold white sweatshirts The store sold yellow sweatshirts
Mathematics
1 answer:
ohaa [14]3 years ago
3 0
W + y = 30......w = 30 - y
11.95w + 12.50y = 364.55

11.95(30 - y) + 12.50y = 364.55
358.50 - 11.95y + 12.50y = 364.55
-11.95y + 12.50y = 364.55 - 358.50
0.55y = 6.05
y = 6.05 / 0.55
y = 11 <=== there were 11 yellow sweatshirts sold

w + y = 30
w + 11 = 30
w = 30 - 11
w = 19 <=== there were 19 white sweatshirts sold
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