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 $12.50. 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

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Mathematics

Sylvia Kemp

9 July, 11:18

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 $12.50. 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

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Schaefer · Answer 1

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