Math, asked by umaskumar, 11 months ago

cost of 5 books is 87.50. what is the cost of 9 books

Answers

Answered by XEVILX

2

Hey Pretty Stranger!

$\large \bold \red{Here \: you \: go !}$

$\sf \: Cost \: of \: 5 \: books = Rs \: 87.5$

$\sf \: Cost \: of \: 1 \: book = Rs \: \dfrac{87.5}{5} = \boxed{17.5}$

$\sf \: Cost \: of \: 9 \: books = Rs \: 17.5 \times 9$

$\sf \: Cost \: of \: 9 \: books = Rs \large \boxed{ \sf \: 157.5}$

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