Andrea's family stopped at the gas station to get gas. At gas stations, the price of gas per gallon is given to the nearest thousandth. In order to determine how much money he would need to pay for the gas, Andrea's dad asked her to round the price of gas per gallon to the nearest hundredth. The gas price per gallon rounded to the nearest hundredth was $2.50. Which of the following prices could have been the original gas price?

Question

Mathematics

Austin Robbins

18 November, 21:22

Andrea's family stopped at the gas station to get gas. At gas stations, the price of gas per gallon is given to the nearest thousandth. In order to determine how much money he would need to pay for the gas, Andrea's dad asked her to round the price of gas per gallon to the nearest hundredth. The gas price per gallon rounded to the nearest hundredth was $2.50. Which of the following prices could have been the original gas price?

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Answers (1)

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Edith Terrell · Answer 1

One hundredth is 0.01. If a number is above 4 it is rounded up. If it is below five, it is rounded down. 3 is rounded down to $2.49. 8 is rounded up to give $2.50. 5 is rounded up to give $2.51. 9 is rounded up to give $2.51. The answer is $2.498.