Question

A book is 5 cm thick and each cover is 1.5 mm thick. How thick is the book without its covers?

Answer 1

Answer:

a book has two covers one at front and at back

so 1.5 +1.5 =3 mm

so 10 mm = 1 cm

convert 5 cm to mm as 5 * 10 = 50 mm

50-3 = 47 mm or 4.7 cm

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Answer 2

Answer:

5 cm he is a noob in maths ☺