SOLUTION: How many gallons of a 60% antifreeze solution must be mixed with 60 gallons of 25% antifreeze to get a mixture that is 50% antifreeze? you need to add ___ gallons of a 60% antif

You can put this solution on YOUR website!
Let = gallons of a 60% antifreeze solution needed
= gallons of antifreeze in the 60% solution
= gallons of antifreeze in 25% solution
--------------
In words:
( total gallons of antifreeze ) / ( total gallons of solution ) = 50%






150 gallons of 60% antifreeze solution must be added
check answer:





OK