Question 280398
Of course they must each have their own mower and not get in each other's way.
What size ranch are they mowing? Are they using scissors?
x/3+x/4=1
4x+3x=12
7x=12
x=12/7
x=1 5/7 hours about 1 hour 42 minutes 51 sec.
12/7/3+12/7/4=1
4/7+3/7=1
Jack does 4/7 and Jill does 3/7 of the job