Step-by-step explanation:
Boys

Girls

Total last year 46
Total this year 48
Increase
Answer: 95 feet
Step-by-step explanation:
Let the length of the horizontal run be represented by x.
Slope Grade = (Rise/Run) × 100
20 = (19/x) × 100
20 = 1900/x
20x = 1900
x = 1900/20
x = 95
Therefore, the length of the horizontal run must be 95 feet
The answer is roughly 21.4 copies per minute
an estimate
There are infinite integers, even if they are negative.