How much pure acid should be mixed with 6 gallons of a 50% acid solution in order to get a70% acid solution?
Complete the table below. Let x represent the number of gallons of pure acid.
Number of
Gallons
Acid
Strength
Amount of
Acid
100%
.
=
Pure Acid
50% Acid Solution
%
70% Acid Solution Needed
%
(Do not simplify. Use integers or decimals for any numbers in the expressions.)