The number of pages that are in the book is = 120 pages.
The percentage of pages read by Paula is = 70%
The number of pages covered by 70% is = 84 pages
if 70% = 84pages
100% = X
Make X the subject of formula,
[tex]x = \frac{100 \times 84}{7 0| } [/tex]
[tex]x = \frac{8400}{70} [/tex]
X =120 pages.
Therefore, the number of pages that are in the book is = 120 pages.
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