Alexandra is reading a book. She reads 20 pages in an hour. If she continuous at the same rate, how many pages would she have read after 4 hours?

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Solution

The correct option is A 80
The number of pages read in 1 hour = 20

The number of pages read in 2 hours = 20 + 20 =40

The number of pages read in 3 hours = 40 + 20 =60

Hence, the required sequence is 20, 40, 60.

Therefore, the pattern is 20, 40, 60, 80.

Hence, she would have read 80 pages in 4 hours.

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Alexandra is reading a book. She reads 20 pages in an hour. If she continuous at the same rate, how many pages would she have read after 4 hours?

The correct option is A 80The number of pages read in 1 hour = 20 The number of pages read in 2 hours = 20 + 20 =40 The number of pages read in 3 hours = 40 + 20 =60 Hence, the required sequence is 20, 40, 60. Therefore, the pattern is 20, 40, 60, 80. Hence, she would have read 80 pages in 4 hours.