A cement delivery company charges $75.00 to deliver plus $3.00 per cubic foot of cement. wirte an equation to calculate the charge of 56 cubic feet.
a cement delivery truck charges $75.00 for deliverly Its $3.00 per cubic feet and the man wants 56 cubic feet of concrete. Help me write an equation and solve.
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Equation for the charge in terms of x cubic feet: C(x) = 75 + 3x
i) C(56) = 75 + 3(56) = $243
ii) 316 = 75 + 3x
Solve for x,
x = 80.3 ft^3