This is a list of ingredients for making a pear & almond crumble for 5 people.

Ingredients for 5 people:

90 g plain flour
40 g ground almonds
70 g soft brown sugar
50 g butter
4 ripe pears

Marcus wants to make a pear & almond crumble for 15 people.

Here is a list of the amount of each ingredient Marcus has in his cupboard. 300 g plain flour
100 g ground almonds
250g soft brown sugar
160 g butter
10 ripe pears