PopPrincess59 PopPrincess59

17-04-2014
Mathematics

Answered

Vicki puts 10 books on a shelf. The 10 books take up 28 cm. What is the mean (average) thickness of her books? Can I have it worked out as well plz? I really need to understand it.

Answer :

tadvisohil886 tadvisohil886

17-04-2014

Average thickness of book = Total thickness/mo. of books
= 28 cm/ 10
= 2.8 cm
Thus, on average, each book has 2.8 cm thickness.

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kirbiemakesfa kirbiemakesfa

17-04-2014

If the ten books are 28cm thick then the average thickness is 28 (the total thickness) divided by 10 (the number of books).

28cm divided by 10 is 2.8cm.

So the average thickness is 2.8cm!

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