Problema Solution
An experienced clerk can fill an order in 12 hours a new clerk needs 13 how long will it take for them to work together
Answer provided by our tutors
The rate of the experienced clerk is: 1/12 order per hour.
The rate of the new clerk is: 1/13 order per hour.
Let 'x' represent the time the two clerks need to fill an order when working together.
The together rate of the clerks is: 1/x order per hour.
Now we can write:
1/12 + 1/13 = 1/x
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click here to see the equation solved for x
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x = 6.24 hr
x = 6 hr 14.4 min
It will take them 6 hours and 14.4 minutes to fill an order together.