Question

Cecilia’s math textbook is 786 pages. What is the total number of pages in 19 of these textbooks?
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Answer 1

by using unitary method :

1 math book - 786 pages

19 math books = 786 × 19 = 14934 pages.

therefore, the answer is 14934

Answer 2

14,934 786•19 = 14,934