At a local store with a “no tax” sale, robert bought 7 dvds and 5 cds for $95.50 before tax. michael bought 3 dvds and 4 cds for $49.75 before tax. if william has $80 to spend, which one of the following purchases could he make ?

I think the 49.75 is the correct answer since there is no tax and he only has 80 dollars to spend

Step-by-step explanation:

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step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it