What you gotta take from this problem:
What Joe got during break =

What his sister gave him =

What he has total = 10 tadpoles.
Now to assemble this equation:

Now combine like terms to get

Subtract 2 on each side of the equation to get

Now you would divide 5 on each side and get

, however since you can't have a .6 of a tadpole, you would have to round it up to 2.
(15 is your answer)
Divide numerator by denominator, cancel out any common factors
I'm guessing you want to know how much is in one case,
36/3 = 12
4-70=7-6x
-64-7=6x
-71=-6x
71/6=x
Answer:
you would use 1.65 gallons every 150 miles
Step-by-step explanation: