In Jenny's bucket there are 7 brown worms and 10 red worms. Jenny is going to choose 11 worms at random from the bucket to use f
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Answer: The time taken by both of them if they work together is given by
Step-by-step explanation:
Since we have given that
Time taken by Blake to paint one room = 9 hours
Time taken by Ned to paint one room = 6 hours
Work done by Blake =
Work done by Ned =
Total work done by both of them together is given by
So, the time taken by both of them if they work together is given by