Elementary Algebra for College Students, 6/e

Chapter 1: Real Numbers

Warm Up 1.2

1. Bob received test scores of 65, 70, 75, 78 and 112. What is the median test score?  

2. Juan receives a 6% commission on all that he sells. If he sold $7,800 of merchandise what commission would he receive?  

3. Jack would like to determine the gas mileage on his car. When he filled his gas tank the first time, the odometer read 23,695 miles. When he filled the tank up a second time, the odometer read 24,095. He pumped 12 gallons of gas into his tank. How many miles per gallon does his car get?  

4. There are 5,280 feet per mile. Joy runs 15 kilometers or 9.3 miles. How many feet are there in 15 kilometers?  

5. A taxicab company charges a fare according to the following: For the first 1/3 of a mile, the cost is $2.50. For each 1/3 mile thereafter, the cost is $0.40. How much does a 2-mile cab drive cost?  

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