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 ?
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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
---------- = --------------
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