Question

For what value of x is the proportion shown above true?

Answer 1

F; x = 25

Explanation:

In proportions, we can use cross multiplication.

First thing, let's write this in terms of fractions.

x/35 = 20/28

Now to cross multiply, we multiply the numerator of the first fraction with the denominator of the second fraction. We set that equal to the denominator of the first fraction times the numerator of the second fraction.

28x = 35 * 20

28x = 700

x = 25

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