To find the time required to read 656 pages. Given: John read 72 pages =1.3...

Concept used:
In this question, it is given that John read 72 pages in 1.3 hours. Firstly, we need to find the time taken to read 1 page and after that we need to calculate the time required to read 656 pages.
Calculation:
Time taken by the John read 72 pages ${\displaystyle =1.3}$ hours
Time taken by the John read 1 page ${\displaystyle =\frac{1.3}{72}=0.018}$
Time taken by the
John read 656 pages ${\displaystyle =0.018\times 656=11.808}$
Conclusion:
Time taken by the John read 656 pages 11.808

Answer is given below (on video)