First you need to change 45 feet to 540 inches.
Now you can compare the two ratios:
1 : 25 and 25 : 540
We now need to change the second ratio to a unit rate:
25:540 as a unit rate would be 1 : 21.6 and this is steeper than the a 1 : 25 drop
So, your answer would be: pipe drops to much vertically to function properly
Multiply both the top and bottom by 8 8/9=64/72
multiply both the top and bottom by 9 1/8=9/72
9 goes fully into in to 63 7 times
7 is your answer.
I’ll answer the first question, what’s 3 plus 13? 16 that’s your answer
