A formula for 8 bottles of window cleaner calls for 6 cups of rubbing alcohol, 2 and one-fourth gallons of water, and 1 and one-half cups of ammonia. How many quarts of rubbing alcohol would the formula call for if a factory made 1,280 bottles for stores to sell to customers?
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Answer:240 quarts
Step-by-step explanation:If 8 bottles of window cleaner calls for 6 cups of rubbing alcohol and we want to know how many quarts of rubbing alcohol would the formula call for 1,280 bottles, the next proportion must be satisfied:
8/1280 = 6/x
x = 6*1280/8
x = 960 cups
We know that 1 cup = 0.25 quarts, then, the conversion of cup to quart is:
960*0.25 = 240 quarts
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