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
1 answer:
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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