Problema Solution
How many gallons of a 25% antifreeze solution and a 15% antifreezed solution must be mixed to obtain 15 gal of a 23% soultion?
Answer provided by our tutors
The gallons of a 25% antifreeze solution is 3,and a 15% antifreezed solution is 12
Solution: X+Y=15
Xx25%+Yx15%=15x23%
So X =3 Y=12