Question

If one five rupees coin weight is 9 g so what in 18 g how many coin step by step answer

Answer 1

if 1rs coin=9gram

so then how many coin will need to complete 18gram

•°•it's direct proportional

x1/y1 =x2/y2

•°•here x1=1coin

y1=9gram

x2=?

y2=18gram

•°•we have to find no. of coin needed to complete 18gram weight

1/9=x2/18

(1/9)×18=x2

18/9=x2

x2=2

•°•we need 2coins to complete 18grams