A pot filled with 1 kilogram of solution contains 7 percent sodium chloride by weight in water. if water is boiled off until the amount of solution has decreased by 30 percent, the remaining solution will be approximately what percent sodium chloride by weight?
a) 4.28%
b) 7%
c) 10%
d) 21%
e) 90%
Please assist with above problem.
a) 4.28%
b) 7%
c) 10%
d) 21%
e) 90%
Please assist with above problem.
