Problema Solution
morgan can proofread a document in 40 minutes. Shelby can proofread the same document in 30 minutes. How long would it take them, working together, to proofread the document?
Answer provided by our tutors
Morgan's rate per minute is: 1/40 document per minute
Shelby's rate per minute is: 1/30 document per minute
Let 'x' represent the time (in minutes) they need to proofread the document together.
The together rate is: 1/x document per minute.
1/40 + 1/30 = 1/x
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click here to see the equation solved for x
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x = 17.14 min
It will take them 17.14 minutes to proofread the document together.