Question

the weight of 65 books is 13 kg what is the weight of 90 such books

Answer 1

$\sf \Large Solution!!$

Weight of 65 books = 13 kg

Weight of 1 book = 13 kg ÷ 65 = 0.2 kg

Weight of 90 books = 0.2 kg × 90 = 18 kg

Answer 2

_________________________

$\huge\mathcal\orange{Question❔}$

◆ The weight of 65 books is 13 kg what is the weight of 90 such books ?

$\huge\mathcal\orange{Answer✅}$

■ 1170 kg is the verified answer ✔

$\huge\mathcal\orange{Step \: By \: Step⬇}$

$Weight \: of \: 65 \: books =13 kg$

$Weight \: of \: 1 \: book = \frac{65}{13} \: kg$

$Weight \: of \: 90 \: books = 65$

$13 ×90 = 1170 \: kg.$

_________________________

$\huge\mathbb\green{Thank \: you \: :)}$