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The Problem

a women bought some large frames for $12 each and some small frames for $7 each at a closeout sale. If she bought 18 frames for $141, find how many of each type she bought.

Answer provided by our tutors

12x + 7y = 141

x + y = 18

solving

x = 3

y = 15

 

large frame = 3

small frame = 15

 

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