The drilling -Rig problem
Calculus
Level
2
A drilling rig 12 miles offshore is to be connected by a pipe to a refinery onshore 20 miles straight down the coast from the rig. If underwater pipe costs $ 50,000 per mile and the land-based pipe costs $ 30,000 per mile, what would the least expensive connection cost?
1,166,190
1,080,000
1,081,025
$ 1,200,000
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1 solution
