Question

The weight 0f 72 books is 9kg if the weight of 20 books

Answer 1

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$\underline{SOLUTION}$ ➡

Given,

Weight of 72 books = 9 Kg

•°• weigth of 1 book = $\frac{9}{72}$ Kg

= $\frac{1}{8}$ Kg

•°• Weight of 20 books = ($\frac{1}{8} × 20$ )Kg

= $\frac{5}{2}$ Kg

= 2.5 Kg

$\underline{ANSWER}$ ➡ Weight of 20 books = 2.5 kg

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