Question

Randy and Sandy, working together, can paint a house in 23 hours.It would take Randy 42 hours to paint the house by himself.How long would it take Sandy to paint the house by herself?

Answer 1

i think im supposed to first find how much randy can do in 1 hour?

Answer 2

yes, you divide this up into how did what :)

Answer 3

or even who....

Answer 4

so i divide 23 by 60?

Answer 5

not exactly sure, I always have a problem setting up my equations

Answer 6

23= 42 + x?