Question

solve this problem step by step and corrcet math will be marked as brainliest ​

Answer 1

Hey ya !!!!

Step by step explanation

Rahul 2/7=6

Rahul 2/7=6whole work in 21

Rahul 2/7=6whole work in 21Suresh 3/5=9

Rahul 2/7=6whole work in 21Suresh 3/5=9whole work in 15

Rahul 2/7=6whole work in 21Suresh 3/5=9whole work in 15work together=1/15+1/21=12/105

Rahul 2/7=6whole work in 21Suresh 3/5=9whole work in 15work together=1/15+1/21=12/105together 7 days=7*12/105=12/15

Rahul 2/7=6whole work in 21Suresh 3/5=9whole work in 15work together=1/15+1/21=12/105together 7 days=7*12/105=12/15work done by 4/5

Rahul 2/7=6whole work in 21Suresh 3/5=9whole work in 15work together=1/15+1/21=12/105together 7 days=7*12/105=12/15work done by 4/5remaining work 1-4/5=1/5

Rahul 2/7=6whole work in 21Suresh 3/5=9whole work in 15work together=1/15+1/21=12/105together 7 days=7*12/105=12/15work done by 4/5remaining work 1-4/5=1/5Suresh done 1/5 work in 1/5*15= 3days

Hope this helps u !!!