Hey!
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Solution:
So he got a 20% profit on $1.20.
20% of 1.20 → 0.2 x 1.20 → 0.24
Same thing goes with 20% loss.
20% of 1.20 → 0.2 x 1.20 → 0.24
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Answer:
On the sale of the pipes, he gained a profit of $0.24 and lost a profit of $0.24, so the sale is (a) broke even.
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Hope This Helps :)