Concept explainers
Time taken when Mandi and Colin will work together,
Answer to Problem 20CT
Total time taken by Mandi and Colin working together will be
Explanation of Solution
Given information:
Mandi takes 7 hours to complete the task.
Colin takes 3 hours to complete the same task.
Assume that the total work is 1 unit.
Let the time taken by both Mandi and Colin working together be
Now the work done by Mandi in time
And the work done by colin in time
Now total work done by Mandi and Colin together:
Therefore, total time taken by Mandi and Colin working together will be
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