Question

The mass of 160 books is 19 kg how many such books will weight 38 kg

Answer 1

$\sf{\huge{\underline{\green{Given :-}}}}$

• The mass of 160 books is 19 kg .

$\sf{\huge{\underline{\green{To\:Find :-}}}}$

• The number books weighing will weight 38 kg.

$\sf{\huge{\underline{\green{Answer :-}}}}$

Using Unitary Method here,

We have given,

The mass of 160 books is 19 kg.

19 kg of mass is of 160 books .

1 kg mass is of 160 / 19 books

If one kg is weight of 160 / 19 books. So we have to multiply it by 38 .

➝ 38 is mass of = 38 × 160/ 19

➝ 2 × 160

➝ 320

320 books weight will weight 38 kg.