Answer:
5 gallons of water must be added.
10 gallons to start with
adding 'x' gallons of water final volume = 10 + x
.9 (10) = amount of vinegar
.1(10) = amount of water
amount of vinegar before and after water addition is constant
.9(10) = .6(10+x)
9 = 6 + .6x
3 = .6x
x = 5 gallons of water to be added
(i truly hope i helped you
By solving for x you get x=6
7:5
8:15 days
Please don't get mad at me if their are incorrect but i'm sure they are right!
1. She earns 300 dollars an hour
2. He will be paid 180 dollars
3. She pays 26,150 dollars
