Ms. Reed travels a total of 78 miles each day that she goes to work. During July, she went to work 21 days. Which of the following expressions has a value that is closest to the total number of miles Ms. Reed traveled to work in July?
A. 80 × 30
B. 70 × 20
C. 80 × 20
D. 75 × 20

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Answers

2014-11-24T16:53:40+08:00
c. 80x20.  Multiply 78 (miles) by 21 (21 days) and you'll get 1,638 which is close to 1,600 (80 x 20)
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2014-11-24T18:31:52+08:00
Letter c.80 x 20 is the closest

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