Let x represent the unknown. Using the given "word" equation, write an equation and solve.A 40-gallon mixture of alcohol and water contains 25 gallons of alcohol. How many gallons of water is contained in the mixture? amount of alcohol + amount of water = total amount of mixture
A. 25 + x = 40; 15 gallons
B. x + 40 = 25; 10 gallons
C. 25 - x = 40;15 gallons
D. x = 25; 25 gallons
Answer: A
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