Answer:
87.5 %
Step-by-step explanation:
Set up a ratio:
7/8 = x/100
Cross multiply to solve for x:
8x = 700
x = 87.5
Your answer would be 9 hours
Answer:
8/5
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(-4-68)/(21-66)
m=-72/-45
simplify
m=8/5
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.