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.
9 hours
0.23 hours
4.44 hours
18 hours

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.  
9 hours
0.23 hours
4.44 hours
18 hours

anonymous · Answer

go right to the answer:
$$\frac{10\times 8}{10+8}$$

awkwardswhatiamfor · Answer

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