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Prof Davis counts his midterm as 2/3 of the grade and his final as 1/3 of the grade. Jason scored only 64 on the midterm. What range of scores on the final exam would put Jason's average between 70 and 79 inclusive? Solve by using a compound inequality.
When a smaller number is subtracted from a larger number, the difference is 34. If the larger number is 30 less than 3 times the smaller number, what are the two numbers?
A used car salesman buys a car for $2,500 and sells it for $4,327. He then buys a camper with 2/3 of his profit and sells the camper for twice what he paid for it. How much money did the salesman make during these transactions?
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