Mathematics for IGCSE & O level - Ratio And Proportion (Section 5 - No. 13)

For a certain recipe, ingredients are mixed in the ratio 3:5:2. Which statement(s) are correct?

For every 3 units of ingredient 1, 5 units of ingredient 2 are needed.

Ingredient 3 makes up 20% of the mixture.

Ingredient 1 makes up 30% of the mixture.

Ingredient 2 makes up 60% of the mixture.

3:5:2; the total parts = 10. Ingredient 3 is 2/10 = 20% Ingredient 1 is 3/10 = 30%.