SOLVE IN TERMS OF TWO VARIABLES: 1. One solution containing 20% alcohol is mixed with another solution containing 60% alcohol to make 10 gal of a solution that is 32% alcohol. How much of each solution is used? Let x = number of gal of 1st solution, Let y = number of gal of 2nd solution, _____= amount of alcohol in 1st solution, _____= amount of alcohol in 2nd solution, _____= amount of alcohol if the two solutions are mixed, form the equations: _______________ =______________ and _______________= ______________