Brian is training for a marathon. he is going to ramp up the number of miles he runs by 2 miles each week. in the first week, he is going to only run 5 miles, then the second week 7 miles, the third week 9 miles, etcetera. if brian keeps this routine up for 20 total weeks, what is the total distance he will have run? show how you arrived at your answer

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).

answer: need a picture

step-by-step explanation:

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