Which choice is not a way to find 7 ÷ 3?
a- 1/3 of 7
b- 7 × 1/3
c- 1/7 of 3
d- 7/3

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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