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For the 70 m long pipeline, 3 m and 5 m long pipes are used. If the price for shorter pipe is $ 10 p...
5 months ago
Q:
For the 70 m long pipeline, 3 m and 5 m long pipes are used. If the price for shorter pipe is $ 10 per piece and for the other one $ 20 per piece, what is the price of the most profitable usage of pipes?
Accepted Solution
A: