Question

if a pile of 10 books is 9 cm high that when will be the thickness of one book in mm​

Answer 1

Answer:

The answer will be 90 millimetres

Answer 2

SOLUTION

GIVEN

A pile of 10 books is 9 cm high that

TO DETERMINE

The thickness of one book in mm

EVALUATION

Here it is given that a pile of 10 books is 9 cm high that

Number of books = 10

1 cm = 10 mm

So we have : 9 cm = 90 mm

Hence the required thickness of one book

$\sf = \dfrac{90}{10} \: \: mm$

$\bf = 9 \: \: mm$

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