Problema Solution
Auto maintenance a car's radiator should contain a solution of 50% antifreeze. Bae has 2 gallons of a 35% antifreeze. How many gallons of 100% antifreeze should Bae add to his solution to produce a solution of 50% antifreeze?
Answer provided by our tutors
let x = gallons of 100% antifreeze needed
0.35*2 + 1.00*x = 0.5*(2 + x)
by solving we find
x = 0.6 gallons
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Bae should add 0.6 gallons of the 100% antifreeze to produce a solution of 50% antifreeze.