Respuesta :

Answer:

9 chapters per hour (his rate)

Answer:

He reads 9 chapters per hour.

Step-by-step explanation:

Chapters             Hour

63                        7

x                           1

=> By cross multiplication : 63 x 1 = 7x

=> 63 = 7x

=> x = 63/7

=> x = 9

The number of chapters per hour is 9 chapters.

Hope you understood!!

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