the octane number of gasoline can be thought of as the percent of the compound octane in the gasoline. For instance, 89-octane gas would be 89% octane and 11% something else. Suppose that a wholesaler has 84-octane gas and 91-octane gast. -----------A) the wholesaler mixes X gallons of 84-octane gas and y gallons of 91-octane gas. write an expression for the number of gallons of octane in the mixture.----------- B)evaluate the expression if 1000 gallons of 84 octane gas is mixed with 2000 gallons of 91-octane gas. -------C) what will be the octane number of the mixture in part b--------D) if the wholesaler recieves an order for 15,000 gallons of 89.7 octane gas, how much of each kind should be mixed to fill the order?
2007-04-07
08:08:17
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5 answers
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asked by
sweetybabe
3