It takes you 3 hours to mow a lawn & it takes your sister 2 hours to mow the same lawn. How long does it take the two of you to mow 12 lawns if you work together? Whats the answer? Helpppp

Answer 1

Can someone help me. Thankyou.

Answer 2

You'll find many explanations about solving this type of problem in the Related Questions below.

Answer 3

I don't get how to finish solving with the 12 lawns? I get its 6/5. hrs.

Answer 4

Maybe Michael knows.

Answer 5

I'm still confused. I don't get it. Sorry Farah.

Answer 6

T1*T2/(T1+T2) = 3*2/(3+2) = 1.2 h/Lawn.

T = 1.2h/Lawn * 12Lawns = 14.4 Hours

Note: 1.2h = 6/5 h = Time to do 1 Lawn.