Question

Patty and Mike are installing new floors in their house. Working alone, Mike can complete the floor in 10 hours. Patty can complete the same floor in 8 hours if working alone. How long will it take them, working together, to finish the floor? Round your answer to the nearest hundredth if necessary.

Answer 1

a) 9.00 hours
b) 0.23 hours
c) 4.44 hours
d) 18.00 hours