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Happy Hound Pet Store sells dog food in 25-pound bags for $15.80. Pampered Pet Store sells dog food in 18-pound bags for $11.59.
1 answer:
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To Find :
How many gallons of a 80% antifreeze solution must be mixed with 100 gallons of 20% antifreeze to get a mixture that is 70% antifreeze.
Solution :
Let, x gallons of 80% antifreeze solution is required :
So,
Therefore, 500 gallons of 80% antifreeze solution is required.