Mr. Ripoff's gas station can sell 355 gallons of gas per day at $4.00 per gallon and 164 gallons at $5.00 per gallon. Mr. Ripoff pays $1.20 per gallon for the gas and has daily fixed costs of $500. Find the unit price p that will maximize revenue: Find the unit price p that will maximize profit: What is the maximum possible daily profit? dollars per gallon. dollars dollars.

Estimate the price per sleeping bag when the weekly demand is 177. Round to the nearest cent. Per sleeping bag

A contractor purchases a backhoe for $37, 300. Fuel and standard maintenance cost $5.95 per hour, and the operator is paid $12.03 per hour. a. Write a cost function for the cost C(z) of operating the backhoe for hours. Be sure to include the purchase price in the cost function. Cost function: C(z) = dollars b. If customers pay $27.77 per hour for the contractor's backhoe service, write the revenue function R(z) for the amount of revenue gained from a hours of use. Revenue function: R(x) = I c. Write the profit function P(x) for the amount of profit gained from a hours of use. Profit function: P(x) = dollars dollars d. How many hours must the backhoe be used in order to break even (assume that part of an hour counts as a whole hour)? In order for the contractor to break even, customers need to pay to use the backhoe for a total of hours.

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