Marjorie got a total 239 points on three tests. the combined scores on the second to test for 59 more than the score on the third test. the score on the second test was 25 more points than the score on the third test. write a matrix equation for this situation.

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step-by-step explanation:

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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).