This question is based on multiplication.
Given situation is -
by recycling 1 ton of paper , the amount of water saved is = 6953 gallons
So, by recycling 4 tons of paper , the amount of water saved will be=
![6953*4](https://img.qammunity.org/2019/formulas/mathematics/high-school/u48y96e5s5lbz2kbw91nqvn7gyrkmlzty1.png)
=
gallons
Hence, 27812 gallons of water are saved by recycling 4 tons of paper.