PSAT Math Multiple-Choice Practice Question 254
Question: 254
A county contains 25 villages, 12 towns, and 3 cities. There is an average of 6 stoplights in a village, 27 in a town, and 148 in a city. Estimate the total number of stoplights.
Correct Answer: B
Explanation:
The correct solution is 900, the expression for estimation is 25(6) + 10(30) + 150(3). The expression simplifies to 150 + 300 + 450 = 900 stoplights. See Lesson: Solving Real-World Mathematical Problems.
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