Question

if the cost of 3 book is 30 then what is then cost of 5 books​

Answer 1

Given

• Cost of 3 book is Rs. 30

We Find

• Cost of 5 books

We Know

Promblem solved by Ratio and proporation

According to the question

$\sf { \frac{30}{3} = \frac{x}{5}}$

$\sf { x = \frac{30 × 5}{3}}$

$\sf { x = \frac{150}{3}}$

$\sf { x = \cancel\frac{150}{3}}$

$\sf { x = 50}$

Hence, Cost of 5 books is Rs. 50.

Answer 2

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