Practical Mathematics for Grade 9, Problem ID: 4677
A pavement stone's side length is 9 cm and it weighs 20kg.
How much stone do I need to pave a city square 10 m x 10 m if the distance between the stones is 1 cm?
Just to remind you 1 m = 100 cm.
210,000kg or 210 tonnes
200,000kg or 200 tonnes
190,000kg or 190 tonnes
220,000kg or 220 tonnes