The answer to number one is 18 and the answer to number two is -1
Answer:
0.35 Gallons.
Step-by-step explanation:
Since there is already 9/10 in it, you can only pour 1/10 in now. 1/10th of 3.5 is 0.35.
No it does not affect the sum because they have the same sign so it wouldn't make a difference
