Marietta was given a raise of $0.75 per hour, which gave her a new wage of $18.25 per hour. Enter and solve an equation to determine Marietta's hourly wage, x, before the raise. Complete the explanation to show that your answer is reasonable.

$17.50 (I'm pretty sure)

Step-by-step explanation:

x + 0.75 = 18.25

x + 0.75 - 0.75 = 18.25 - 0.75

x = $17.50

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).

where is the graph? need more info