22. Bubble wrap is to be used to pack a collection of paintings. If there are eight paintings requiring 3 feet of bubble wrap each, and nine paintings requiring 2 feet of bubble wrap each, how much
total bubble wrap is required?

Please show the work

1/3 + 1/5 = 8/15.

step-by-step explanation:

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b). 4320 have a nice day

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).