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Nidhi is reading a book that contains 9,465 pages. She has read 3,255 pages. About how many pages are unread?

Amar collected 2,157 stamps and Karan collected 9,293 stamps. About how many stamps do they collect together?

In a city, daily 27,120 newspapers are distributed equally amongst 320 newsagents. About how many newspapers does each newsagent get to distribute in various parts of the city?

A confectionery shop makes 18,426 pastries every month. About how many pastries will be made by the same in a year?

Answer :

To solve these problems, we need to round the numbers to the nearest thousand and perform basic arithmetic operations.

  1. Pages Unread in Nidhi's Book:

    • Total pages in the book: 9,465
    • Pages read by Nidhi: 3,255

    To find the unread pages, subtract the pages read from the total pages:

    [tex]9,465 - 3,255 = 6,210[/tex]

    About 6,000 pages are unread.

  2. Total Stamps Collected by Amar and Karan:

    • Stamps collected by Amar: 2,157
    • Stamps collected by Karan: 9,293

    To find the total stamps collected, add both amounts together:

    [tex]2,157 + 9,293 = 11,450[/tex]

    About 11,000 stamps were collected together.

  3. Newspapers Distributed Amongst Newsagents:

    • Total newspapers distributed daily: 27,120
    • Number of newsagents: 320

    To find how many newspapers each newsagent gets, divide the total newspapers by the number of newsagents:

    [tex]\frac{27,120}{320} = 84.75 \approx 85[/tex]

    Each newsagent gets about 85 newspapers.

  4. Pastries Made by the Confectionery Shop:

    • Pastries made each month: 18,426

    To find the annual production, multiply the monthly production by 12 (months in a year):

    [tex]18,426 \times 12 = 221,112[/tex]

    About 221,000 pastries will be made in a year.

In summary, we used rounding and basic arithmetic operations to estimate quantities and answer each part of the question. These estimations simplify calculations and provide easier-to-understand results.

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