Level 2
In Problems 41-48, you need to make some assumptions before you estimate your answer. State your assumptions and then calculate the exact answer.
The San Francisco Examiner (February 6, 2000, Travel Section) reported that David Phillips, a civil engineer at University of California, Davis, was pushing his shopping cart when he noticed a promotion of Healthy Choice.
He could earn 1, 000 airline miles for every 10 bar codes from Healthy Choice products he sent to the company by the end of the month. Frozen entries are about $2 apiece, but with a little work he found individual servings of chocolate pudding for 25 cents each. He was able to accumulate 1, 215, 000 airline miles. How much did it cost him?
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