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McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

Practice Test

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Exercise 1 Page 611

Solve for the variable by using cross products.

28

To solve the proportion, we will start by using cross products. Then, we will continue solving for x by using the Properties of Equality.

3/7=12/x

Cross multiply

3 * x=7 * 12

.LHS /3.=.RHS /3.

x=7 * 4

Multiply

x=28

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