Answer:
the easy way to figure this out is to just plug in answers.
start with a, (10)=3(3)+1
10=9+1
10=10
this makes this a true statement
feel free to try the other options but this is your answer
A. (3,10)
The answer to your question if the following : Pi x 25
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:
2 1/4 or 2.25
Step-by-step explanation:
1 1/4 + 1/4 = 1 2/4
1 2/4 + 3/4 = 2 1/4