SOLUTION: The cost of pipe at Home Depot varies jointly as the length and diameter of the pipe. If 20 feet of 0.5 inch diameter pipe costs $36.60, then what is the cost of 12 feet of 0.75 in
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Question 179968: The cost of pipe at Home Depot varies jointly as the length and diameter of the pipe. If 20 feet of 0.5 inch diameter pipe costs $36.60, then what is the cost of 12 feet of 0.75 inch diameter pipe?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The cost of pipe at Home Depot varies jointly as the length and diameter of the pipe. If 20 feet of 0.5 inch diameter pipe costs $36.60, then what is the cost of 12 feet of 0.75 inch diameter pipe?
:
How about:
= which is: =
Cross multiply
10x = 8(36.60)
:
10x = 292.8
x =
x = $29.28 for 12' of .75" pipe
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