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

Step-by-step explanation:

Alright, lets get started.

In 10 hrs, Mike can complete the of floor = 1

So, 1 hr, Mike can complete the part of floor =

In 8 hrs, Patty can complete the floor = 1

So, 1 hr, Patty can complete the part of floor =

So, in 1 hrs, they both will work together  to complete the floor =

=

=

So, they both cmplete 18/80 part in = 1 hrs

So, they both will complete 1 part is =

So, they both will complete 1 part is =

So, it will tae 4.44 hrs to finish the floor.    :    Answer

Hope it will help :)

ddd

step-by-step explanation:

hello :

by applying the distributive property :

6 × 4.3 = 6 × ( 4 + 0.3 )

            =   (6 ×   4) + (6 ×   0.3)

            = 24 + 1.8

6 × 4.3 = 25.8