If 9-7 and a -63 are equivalent fractions- what is the value of a -A- 80B- 81- 49D- 72

The correct option is B 81Given, nbsp; nbsp;9/7 and nbsp;a/63 are equivalent fractions. We can see that 7 x 9 = 63, nbsp; Hence 9 x 9 = 81. Therefore a ...

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Standard VI

Mathematics

Introduction to Fractions

If 9/7 and a ...

Question

$If \frac{9}{7} and \frac{a}{63}$ are equivalent fractions, what is the value of a ?

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Solution

The correct option is B 81
Given, $\frac{9}{7}$ and $\frac{a}{63}$ are equivalent fractions.
We can see that 7 x 9 = 63,
Hence 9 x 9 = 81.
Therefore a = 81.

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If 97 and a63 are equivalent fractions, what is the value of a ?

The correct option is B 81Given, 97 and a63 are equivalent fractions. We can see that 7 x 9 = 63, Hence 9 x 9 = 81. Therefore a = 81.

$If \frac{9}{7} and \frac{a}{63}$ are equivalent fractions, what is the value of a ?

The correct option is B 81
Given, $\frac{9}{7}$ and $\frac{a}{63}$ are equivalent fractions.
We can see that 7 x 9 = 63,
Hence 9 x 9 = 81.
Therefore a = 81.