Question

Anand earns rs.80 in 7 hours and pramod rs90 in 12 hours. The ratio of their earning is

Answer 1

Anand earns 80 in 7 hrs.We have to find how does Anand earns  in 12 hrs.

80 rupees------------------>7hours

x rupees----------------->12 hours

=>x=(12/7)*80

=>x=137.14 rupees

Hence Anand earns 137.14 in 12 hrs and pramod earns 90 rupees in 12 hrs

ratio of earnings are as follows

=>Anand/pramod=137.14/90

                          =>137.14:90

Answer 2

Step-by-step explanation:

let earnings of Anand

=80/7

promode earnings

=90/12

we known that ratio is a comparison two or more quantities of same kind according to that we changed the earnings of both into rate of earnings by dividing rupees /time

Now compare both

=80/7/90/12

=80/7*12/90

=32:21

ans= 32:21