Question

After reading 3/5th
of the book 20 pages are left. How many pages are there in the book?
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Answer 1

Answer:

let total pages are x

x)×3/5=x-20

3x=5x-100

2x=100

x=50

total pages are 50

please mark it as brainliest answer

Answer 2

50 pages are left in the book

Step-by-step explanation:

Let, total number of pages are=x

And $\frac{3}{5}$th pages are already read.

Pages left=20

Then,

    $(1-\frac{3}{5} )x=20$

  or,$(\frac{5-3}{5} )x=20$

  or, $x=\frac{20X5}{2}$

  or,$x=50$