Question: If a student reads 30 pages in 2 hours, how many pages can he read in 5 hours?
A) 60 pages
B) 75 pages
C) 80 pages
D) 90 pages
Solution:
Step 1: Find the reading rate per hour.
Rate=30pages/2hours =15pages/hour
Step 2: Use the unitary method to find the pages read in 5 hours.
Pages in 5 hours=15pages/hour×5hours=75pages
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