Mathematics
Grade-7
Easy

Question

Rebeca reads a 320 pages book. If she read 2 over 32 of the book every day, number of pages she read after 4 days is _____.

  1. 60
  2. 70
  3. 75
  4. 80

Hint:

In this question we will find out the number of pages read in 1 day and multiply that with 4 to find out how many pages she had read after 4 days.

The correct answer is: 80


    STEP BY STEP SOLUTION
    Total number of pages = 32
    Part of book read everyday =2 over 32
    Pages read in one day = part of book read in one day cross times Totak number of pages in the book
    Pages read in one day = 2 over 32 space cross times space 320 space equals space 640 over 32 space equals 20 Pages
    Therefore, the number of pages read by Rebeca after 4 days = 4 cross times number of pages read in 1 day
    Pages read after 4 days = 4 × 20 = 80 Pages.

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