Question

Set up a Table How many gallons of pure water should be evaporated from 160 gallons of a solution containing 12% salt so that the remaining solution contains 20% salt? Fill in the table: Amount of salt Total solution Original b RETRY a Removed What is the original amount of solution in gallons? a = 0.12 160 0.2 X 19.2 New​

Answer 1

Explanation:

Original Removed New

Amount of salt .12(160) 0 .12(160)

Total solution .2(160) .2a .2(160 - a)

.12(160) = .2(160 - a)

19.2 = 32 - .2a

.2a = 12.8, so a = 64 gallons pure water