Step-by-step Answer
PAGE: 325SET: ExercisesPROBLEM: 10
Please look in your text book for this problem Statement

72 is being compared to 160.

So,72 is the part and 160 is the whole.

Let n represent the percent.

The percent proportion is .

Apply cross product property of equality: then .

           (Multiply: )

Apply division property of equality: Divide each side by 160.

             (Cancel common terms)

                     (Divide: )

72 is 45 of 160.


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