ISEE Mathematics Achievement Question 340: Answer and Explanation

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Question: 340

7. Question below refers to Matt's weekly time card, shown below.

What is the average number of hours Matt worked on the days he worked during this particular week?

  • A. 3
  • B. 3.5
  • C. 4
  • D. 7

Correct Answer: B

Explanation:

B Remember, if you see the word average, you can use an Average Pie . The previous question helped you find the total number of hours Matt worked: 14. Put that number in the total place. He worked 4 days-note the question says on the days he worked not the number of days in a week. Put 4 in the # of items place. Divide these two numbers to find the average: = 3.5. If you're pressed for time, instead of doing the long division, let the answer choices help! Since 14 is not divisible by 4, eliminate all the integers. The correct answer is (B).

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