What value should go in the empty boxes to complete the calculation for finding the product of 0.61 × 0.45? Both numbers are the
2 answers:
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Answer:
1 hour and 42.8 minutes
Step-by-step explanation:
To answer this question let's call while it takes Jenna to clean the gutters
Let's call while it takes John to clean the gutters
h
h
t = total time
g = job = 1 (clean the gutters)
The speed of each one is:
g/ h
g/h
So:
h
Then, both together paint of gutters for each hour.
This means that it takes hours to clean the gutters together
Finally cleaning together takes 1,714 hours or also
1 hour and 42.8 minutes