Higher June 2022 Paper 5 Q5
5 Recipes measure small quantities in teaspoons and tablespoons.
3 teaspoons is equivalent to 1 tablespoon.
A cake recipe uses \(\frac{3}{4}\) of a teaspoon of salt and 1 tablespoon of baking powder.
The ratio of salt to baking powder used in the recipe can be written in the form 1 : \(n\).
Find the value of \(n\). [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 4 | 3 | M2 for 3 : 12 oe or for \(3 \div \frac{3}{4}\) oe seen or M1 for \(\frac{3}{4}\) : 3 oe ratio seen Alternative method in tablespoons: M2 for \(\frac{1}{4}\) : 1 oe seen or M1 for \(\frac{3}{4} \times \frac{1}{3}\) [: 1] oe seen | For M1 e.g. 0.75 : 3 M2 for e.g. 1 : 4 oe If in decimal form allow 0.33 for \(\frac{1}{3}\) |