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Question:

A farmer had about 150 bags of potatoes on his trailer. Each bag contained from 23 to 27 pounds of potatoes. Which is the best estimate of the total number of pounds of potatoes on the farmer’s trailer?

A 3,700
Explaination

3,700 is the only answer between the minimum number of potatoes that could have been on the trailer, 150*23= 3,450, and the maximum number of potatoes that could have been on the trailer, 27 *150 = 4,050. Another method that could be used to answer this question is to multiply 25, the number halfway between 23 and 27, by 150. The product, 3,750 is very near the correct answer.