Question

Answer this question.....

Answer 1

HEY....

equation= 5a-b/b.....1
put a=7 and b=4 in equation 1
then u will get your answer

Actually u have to solve it yourself
If possible then
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Answer 2

Hello friends

_____________________________

$\frac{a}{b} = \frac{7}{4}$

$\frac{a}{7} = \frac{b}{4} .........(using \: alternando)$

$let \: \frac{a}{7} = \frac{b}{4} = m$

$a = 7m \: \: b = 4m$

$\frac{5a - b}{b} = \frac{5(7m) - 4m}{4m} \\ \\ = \frac{35m - 4m}{4m} \\ \\= \frac{31}{4}$

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