Question

height measurements of a cardboard box are 1 1/2 metre by 3/4 by 6 cm how many books 20 CM by 10 cm by 7.5 cm each can be arranged in the box

Answer 1

number of books=
volume of cardboard/volume of each book
= 1100/2×3/4×6÷20×10×7.5
=66/20
=3.3 books