Mary is reading a book that has 135 pages. She can read 18 pages in an hour.
2 answers:
Answer:
7.5 Hours
Step-by-step explanation:
(18 pages per hour) * (x hours) = (135 pages)
18x pages = 135 pages
18x = 135
Divide both sides by 18 to get rid of the 18 and to get x on its own.
x = 135 / 18
x = 7.5
Mary would take 7.5 hours to complete the book.
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