Roland and sam wash dogs to make extra money rollin can wash all the dogs in 4 hours sam can wash all the dogs in 3 hours how long will it take them to wash all the dogs if they work together

Step-by-step explanation:

Given,

Rollin can wash all the dogs in 4 hours,

The work done by Rollin in one day =

Also, Sam can wash all the dogs in 3 hours,

The work done by Sam in one day =

The total work done by both Rollin and Sam in one day =

Hence, the time taken by them when they work together =

figure c

step-by-step explanation:

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