Try another version of this question Get help: Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
John can mow a lawn in 80 minutes. Bullwinkle can mow the same lawn in 120 minutes. How long does it take for both John and Bullwinkle to mow the lawn if they are working together?
minutes
Enter DNE for Does Not Exist, oo for Infinity `48`