Asked by Angie
If Sam takes 6 hours to paint a house, and Pat takes 12 hours to paint the same house; how long with it take the 2 men to paint the same house together? What is the correct formulary?
Answers
Answered by
bobpursley
In my head: Sam can do two houses in 12 hours, Pat can do one. Toghter, 3 houses in 12 hours, or 4 hours per house..
formulary:
total houses=rate*time
1 house=((1house/6hours) + (1 house/12hours) * time
1 = ((2+1)/12)time
time = 12/3 hours
formulary:
total houses=rate*time
1 house=((1house/6hours) + (1 house/12hours) * time
1 = ((2+1)/12)time
time = 12/3 hours
Answered by
Angie
Thank you
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