Problema Solution
You can mow your lawn for 3 hours. Your friend can mow your lawn in 2 hours. How long will it take to mow your lawn if the two of you work together ?
Answer provided by our tutors
1/x = 1/3 + 1/2
solving for 'x' we have x=1.2
.2 * 60 = 12
the two of you together can mow the lawn in 1 hour and 12 minutes (1.2 hours)