ALEGEBRA

A STORE SOLD 18 SWEATSHIRTS. WHITE ONES COST $9.95 AND YELLOW ONES COST $11.50. IF $202.35 WORTH OF SWEATSHIRTS WERE SOLD, HOW MANY OF EACH WERE SOLD?

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asked by CURLEY
  1. First, please do not use all capitals. Online it is like SHOUTING. Not only is it rude, but it is harder to understand. Thank you.

    Let x = # of white and y = # of yellow.

    x = 18 -y

    9.95x + 11.5y = 202.35

    Substitute 18-y for x in second equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the second equation.

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    posted by PsyDAG

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