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Chapter 7: Q5. (page 247)

complete each statement.

Ifa4=b7,thenab=??

Short Answer

Expert verified

The final answer is, a4=b7鈬�ab=47.

Step by step solution

01

Step 1. Given information.

The given proportion is,

a4=b7.

It is given that,a4=b7

02

Step 2. Use cross-multiplication method.

We get,

7a=4b

03

Step 3. Now, divide both sides by 7b.

7a7b=4b7bab=47

So, we get,

a4=b7鈬�ab=47

Therefore, the final answer is,a4=b7鈬�ab=47 .

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