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In the afternoon , a student read 100 pa...

In the afternoon , a student read 100 pages at the rate of 60 pages/h . In the evening , when she was tired she read 100 more pages at the rate of 40 pages/h . What was her average rate of reading, in pages per hour ?

A

48

B

50

C

60

D

70

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The correct Answer is:
A
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