Numeracy Higher November 2019 Unit 1 Q3
3.
(a)
An old recipe is given below.
Arrabiata pasta sauce
Serves 4 people
1 onion
2 × 0·88 lb tins of tomatoes
3 chillies
How many kilograms of tinned tomatoes are needed to make Arrabiata pasta sauce to serve 20 people? [3]
(b)
A pasta factory in Italy produces 5 km of spaghetti per day.
How many centimetres of spaghetti will this factory produce in 7 days?
Give your answer in standard form. [3]
| Scheme | Marks | Comments |
|---|---|---|
| 0.88 (× 2) × 20 ÷ 4 | M1 | M marks can be awarded in either order (= (2 ×) 4.4 ) Or equivalent full method that could lead to a correct answer (Note: 2 × 0.88 × 20 ÷ 4 = 2 × 4.4 or 5 × 1.76) |
÷ 2.2 | M1 | |
4 (kg) | A1 | CAO If no marks, award SC1 for sight of (2 × 0.88 =) 1.76 (lbs) |
| Scheme | Marks | Comments |
|---|---|---|
| Conversion to cm, e.g. 5 × 1000 × 100 (× 7) | M1 | ( = 500 000 (× 7)) |
3.5 × 106 (cm) | A2 | A1 for any one of the following:
|