Concept explainers
It takes yon 12 hours to paint a house, your brother 14 hours, and your sister 10 hours. If all three of you work together, how long will it take you to paint the house?
To calculate the time taken to paint the house together.
Answer to Problem 19P
The time taken to paint the house together is
Explanation of Solution
Given information:
The given statement is:
“It takes you
Calculation:
Work done in painting the house in
Work done in painting the house in
Work done in painting the house in
The work done together can be calculated by:
The time taken to paint the house together is:
Hence, the time taken to paint the house together is
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