Chinese, asked by subinoymalo, 19 days ago

15.
1. Ruma and Rohit can complete a work in 20 days, Rohit and Sohba can complete
hat work in 15 days. Let's complete in how many days they will complete the work
together. by time and work

Answers

Answered by aliakbarakbar7184

0

Answer:

hshhsjshhdghdjdhbdbdhdjjdjddjdh

Answered by sunitasharma541983

0

Answer:

8.75 days

Explanation:

work done by Ruma and Rohit = 20 days

work done by Rohit and Sohab = 15 days

there fore we hav to take out average

average = 20+15÷2

= 35÷2

= 17.5 days

if they worked togather

number of students =4

since , 35÷4

=8.75 days

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