Question

The thickness of a science book is 20 mm and
that of a mathematics book is 28 mm. Books
of each type are stacked up in two separate
piles.
(a) What will be the minimum height of
each pile such that both piles are of the
same height?
(b) Find the number of books in each pile.​

Answer 1

Answer:

a) minimum height of each pile =140mm

b) science books =7

mathematics book=5

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Answer 2

Answer:

7 ; 5 is answer of question