If it takes sally 5 hours to clean the house, how long will it take sally and her two friends to do the job if they work at the same rate?

a. 1 1/3

b. 1 2/3

c. 2 1/3

d. 2 2/3

Option B.

Step-by-step explanation:

Sally takes time to clean the house = 5 hours

If Sally and her two friends do the job at the same rate,

The time for the same work done by 3 people  = time taken by one / number of people

=

=

It will take hours to clean the house by 3 people.

-4

step-by-step explanation:

do 6-10=

if u need it to be negative.