Andrei loves to bake, and plum tarts are his specialty. Plums are on sale for \$3.25$3.25dollar sign, 3, point, 25 for 222 pounds at the farmer's market. At the supermarket, plums are being sold according to the following equation, where PPP is price in dollars and LLL is pounds:

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step-by-step explanation:

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).

17,000 is the correct answer.