Question

if the weight of five seeds of paper is 20g,how many seats of the same paper would weight 2.5 kg​

Answer 1

weightof sheets 20g 2500g

no.of sheets 5 x

thia is case of direct variation

2500/× = 20/5

2500/x=4/1

it will cross multiply

4x=2500

x=2500/4

x=625 sheets