SOLUTION: Karen Karlin bought some large frames for $15 each and some small frames for $8 each at a closeout sale. If she bought 22 frames for $239, find how many of each type she bought.

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: Karen Karlin bought some large frames for $15 each and some small frames for $8 each at a closeout sale. If she bought 22 frames for $239, find how many of each type she bought.      Log On

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Question 374891: Karen Karlin bought some large frames for $15 each and some small frames for $8 each at a closeout sale. If she bought 22 frames for $239, find how many of each type she bought.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let L be the number of large frames, S the number of small frames.
1.L%2BS=22
2.15L%2B8S=239
Multiply eq. 1 by -8 and add to eq. 2,
-8L-8S%2B15L%2B8S=-176%2B239
7L=63
highlight%28L=9%29
Then from eq. 1,
9%2BS=22
highlight%28S=13%29