It Takes 3 Hours For Susie To Clean A Rectangular Garden. Peter Can Clean The Same Garden…

It takes 3 hours for Susie to clean a rectangular
garden. Peter can clean the same garden in 1.5
hours. How long will it take Peter and Susie to
clean the garden together?​

Answer:

1 hr

Step-by-step explanation:

since he works double she is ,

so

Peter needs to work 2/3

and Susie needs to work 1/3

Peter :

1.5 hr——->1 (garden)

X hr ——–>2/3(garder)

we make criss cross then

1X=1.5×2/3

X=1hr

and to be sure that it is correct we make criss cross method also for Susie…