Answer:
The pitch (slope) of the roof is 
or 
Step-by-step explanation:
we know that
The formula to calculate the slope is equal to
where
In this problem we have
-----> is the vertical distance (rises)
-----> is the horizontal distance (run)
substitute the values
convert to percentage form
Answer:
Step-by-step explanation:
1/2b + 2 ≤ 8
b ≤ 12
So last week Paul worked 2.5x this week's hours, so he worked a total of 2.5x15= 37.5 hours last week.
2 and 4 because they all multiply and add up to 12 and 20
