Lumberjacks

Fifteen lumberjacks would take 12 days to destroy the broken trees. How many days would this work require if 5 workers added to it after 4 days?

Result

t =  10

Solution:


15*12 = 15*4+(5+15)*(t-4)

20t = 200

t = 10

Calculated by our simple equation calculator.







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To solve this verbal math problem are needed these knowledge from mathematics:

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