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Mathematics 21 Online
OpenStudy (anonymous):

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?

OpenStudy (anonymous):

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

OpenStudy (amistre64):

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

OpenStudy (amistre64):

or even who....

OpenStudy (anonymous):

so i divide 23 by 60?

OpenStudy (anonymous):

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

OpenStudy (anonymous):

23= 42 + x?

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