Respuesta :

Answer:

He can read 22.5 pages.

Step-by-step explanation:

first: 30/4 = 7.5

second: 7.5(3) =22.5

3 pages ?
---------- = --------------
4 min 30 min

3 x 30 = 4 x ?

90 = 4 x ?

? = 90/4 = 22 and 1/2

22 and half pages in half hour
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