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Chapter 7: Q. 257 (page 714)

Solve Proportion:aa+12=47

Short Answer

Expert verified

Value of ais 16.

Step by step solution

01

Step 1. Given Information 

A proportion is given:aa+12=47

02

Step 2. Required to find 

Solve the proportion and find value ofa.

03

Step 3. Finding the value of a.

Rearrange the proportion to keep only aon the left hand side and simplify the remaining fraction on the right hand side.

7a=4a+48

7a-4a=48

3a=48

a=483

a=16

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