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sergiy2304 [10]
3 years ago
15

Two shirts and one tie costs $42, but one shirt and two ties cost $39. What does one shirt cost?

Mathematics
1 answer:
amid [387]3 years ago
3 0
Let s = shirts
let t = ties
2s + t = 42
s + 2t = 39
s = 15
t = 12
one shirt equals $15
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