Solve.A 240-cubic foot mixture of rock is used for landscaping purposes. One type of rock costs $4.50 per cubic foot while another costs $3.60 per cubic foot. If the total value of the mixture is $1008, how many cubic feet of each type of rock are in the mixture?
What will be an ideal response?
Cheaper rock = 80 cubic feet
More expensive rock = 160 cubic feet
Mathematics
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What will be an ideal response?
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A. 
B. 
C. 
D. 
E. 
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