Answer:
9
Step-by-step explanation:
81 gallons per 9 minutes
This can be thought of as a fraction:

divide the top and bottom of the fraction by 9 to make the bottom 1

remove the gallons per minute to a separate fraction
9 
The answer would be 14
Explanation:
If you look on a number line and start from 15 then from there you minus 6 which equals 9 then you minus 5 which equals 4 and add 10 which equals 14 and that 14 is on the positive side of the number line. So 14 is your answer.
Answer:
They equal 119 not 109
Step-by-step explanation: