Answer:
m = 11/7
Step-by-step explanation:
m = y2-y1/x2-x1
m = 7-(-4)/2-(-5)
m = 7+4/2+5
m = 11/7
Integers that are not whole numbers are like -5 -8 -7 and etc...
For this case we can make the following rule of three:
4 gallons --------------> 14 plants
x --------------------------> 35 plants
From here, we clear the value of x.
We have then:

therefore, 10 gallons are needed to irrigate 35 plants.
Answer:
it will take 10 gallons to water 35 plants
I believe the answer is -1