Question

The price of pebbles are 4.50/kg.
A) How many kilograms of pebbles can be bought with $10?

Answer 1

2.222222222222222222222222222222222222222222222222222222kg

or 2.2kg rounded :)

Explanation:

10/4.50 = 2.2222222222222222222222222222222222222222222222222

so if you multiply both sides by 2.22222 you get (4.50 *2.222222 = 10)(kg*2.222222 = 2.222222222kg)