1 + (-5) becomes 1 - 5 because you are adding a negative number.
1 - 5 is -4
10 people who build at the same rate can frame a house in 6 days. That means it will take one person
days to finish the house.
Which means that it will take 4 people
days to finish the house.
So, the fractional part of the house 4 people can frame in 3 days will be 
Thus, Option D is the correct answer.
Answer: Estimates vary, but each person uses about 80-100 gallons of water per day
P(even or add).
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