Answer:
or 
Step-by-step explanation:
We need to divide 300 by 20.
We get
or
.
5in : 200mi
7in : xmi
One inch represents 40 miles.
7 * 40 miles = 280 miles.
The two cities are 280 miles apart.
We have been given that professional plumbers suggest that a sewer pipe should be sloped 0.25 inch for every foot.
Therefore, we can find the slope as:


Therefore, the recommended slope for a sewer pipe is 
Answer:
10/48 - 2/24 - 1/12
Step-by-step explanation:
answer is 1/12