Question

The weight of 63 articles is 7 kg (a)wht is weight of 90 such articles (b)how many such articles wold weight 5 kg

Answer 1

hope u understand what I write

Answer 2

Given :

The weight of 63 articles is 7 kg

To Find:

(a)wht is weight of 90 such articles

(b)how many such articles wold weight 5 kg

Solution :

Weight of 63 articles = 7 kg

Weight of 1 article =$\frac{7}{63}$

Weight of 90 articles =$\frac{7}{63} \times 90=10 kg$

No. of articles weighs 10 kg = 90

No. of articles weighs 5 kg = $\frac{90}{10} \times 5 =45$

Hence The weight of 90 articles is 10 kg and 45 articles weighs 5 kg