SOLUTION: 12 workers take 18 days to renovate a house. After working for 3 days, 4 workers left. Calculate the number of days the remaining workers will need to complete the renovation

Question 955333: 12 workers take 18 days to renovate a house. After working for 3 days, 4 workers left. Calculate the number of days the remaining workers will need to complete the renovation
Found 2 solutions by Fombitz, MathTherapy:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rate x Time= Output

So the rate for one worker is,

.
.
.
For 12 workers working 4 days, their output is,

The amount needed to complete the job is,

Now there are only 8 workers so,

Answer by MathTherapy(10555) (Show Source): You can put this solution on YOUR website!

12 workers take 18 days to renovate a house. After working for 3 days, 4 workers left. Calculate the number of days the remaining workers will need to complete the renovation

Time taken to complete of remaining renovation by 8 (12 - 4) workers: hours
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