Make sure all fraction are simplified in the final answer.
Review Example 1. Then find the value of x in of the following.
EXAMPLE 1
Find the value of x if .
Solution
First we will change the division problem to an equivalent multiplication problem.
x represents a fraction.
In the numerator, we want to know what times 7 equals 21. In the denominator, we want to know what times 8 equals 40.
Thus .
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