Answer:
17
Step-by-step explanation:
The his makes no sense to me sorry just trying to get points 1.5
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.
These are all negative SO the number that is the greatest would be -.480.