All usa spend $35 to purchases 12 chickens. she bought 2 different types of chicken americana chickens cost 3.75 each and delaware. hockey cost 2.59 each? how to put it in a equation

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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