In a box of chocolates there are 4 milk chocolates to 3 dark chocolates. How many dark chocolates in a box of 49 chocolates?

For every 4 litres of petrol a car can travel 80km. How much petrol is required for a journey of 100km?

If there is a 10:1 ratio between black squares and white squares which number represents white squares?

In every 10 tiles there are 2 red tiles. What is the proportion of red tiles?

In a grid of 10 squares 4 are white and the rest are blue. What is the ratio of white to blue?

There are 2 white cubes for every 1 blue cube. What proportion are blue cubes to white cubes?

A biscuit recipe needs 250g flour, 150g of sugar and 150g of butter to make 6 biscuits. How much butter is needed to make 18 biscuits?

In every 12 tiles the proportion of blue tiles is ⁄ . How many blue tiles in every 12?

Jo mixes 400ml of orange juice to every 200ml of pineapple juice to make a fruit cocktail. How much orange juice will she need to make 900ml of fruit cocktail?

The proportion of brick houses in every 20 is ⁄ . How many brick houses in a street of 100 houses?