come to your house to pick it lowest to go with D
It should be the third one down.
Answer:
5390 gallons of water was wasted by the city's residents last year.
Step-by-step explanation:
Let
denotes gallons of water wasted by the city's residents last year.
Gallons of water wasted by the city's residents this year = 2695 gallons
This is 50% less than last year.
Therefore,

gallons
So, 5390 gallons of water was wasted by the city's residents last year.
The answer is 80, because that is what you get when you subtract 100 from 180 to get the third angle.