Betty gets paid 25 cents per paper to deliver newspapers in her neihborhood. when betty is sick, she pays her brother bob 10 cents per paper to deliver for her. if bobby makes $7.80 filling in for betty, how much money does betty get to keep for that day?

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.

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answer: plz give a pic and answer choices so i can answer!

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