Question

Sam can mow a lawn in 40 minutes. Bullwinkle can mow the same lawn in 120 minutes. How long does it take for both sam and bullwinkle to mow the lawn if they are working together

Answer 1

(If ur adding)
40 + 120 = 160 min so that's 2.67 hrs
(If ur subtracting)
120 - 40 = 80 min so that's 1.3 hrs
but I would go for the subtract.