5th grade math
posted by Leann
T = tshirts & S = shorts
T + T + S + S = $42
T + S + S + S = $45
HOW MUCH IS A PAIR OF SHORTS?
EXPLAIN HOW YOU FOUND THE ANSWER.

PsyDAG
2T + 2S = 42
Divide both sides by 2.
T + S = 21
T + 3S = 45
Subtract second equation from the first.
2S = 24
Divide both sides by 2.
S = 12
You should be able to work it from here. 
PsyDAG
Subtract second equation from the third. (sorry)
Also, please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.
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