Mathematics, 25.10.2019 22:43 kalcloud
Ahome health aide trades in an old car with a gas mileage rate of 18 1/4 miles per gallon. starting with a full tank of gas in her car, she travels 390 7/8 miles. it takes 14 3/4 gallons to fill the tank.
a. what is the gas mileage rate on the new car? (use mpg for unit)
b. how many miles further can she travel on a full tank of gas with the new car if the gas tank holds 20 gallons of gas?
Answers: 3
Mathematics, 21.06.2019 21:40
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
Ahome health aide trades in an old car with a gas mileage rate of 18 1/4 miles per gallon. starting...
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