Numeracy Higher November 2023 Unit 1 Q2
2. A supermarket sells 2 varieties of washing powder: Dazzle and Sparkle.
Both washing powders are sold in 3·3 kg packets.
The ratio of the prices of the washing powders is as follows.
Dazzle : Sparkle = 9 : 10
The price of a 3·3 kg packet of Sparkle is £4.40.
Calculate the cost per kilogram of Dazzle.
You must show all your working. [4]
| Scheme | Marks | Comments |
|---|---|---|
| (4(.)40 ÷ 3.3) × 9 ÷ 10 (= \(\frac{4(00)}{3}\times\frac{9}{10}\)) or (\(\frac{9}{10}\) × 4(.)40) ÷ 3.3 (= \(\frac{3.96}{3.3}\)) or 4 × \(\frac{9}{10}\) ÷ 3 (= \(\frac{3.60}{3}\)) or equivalent full method | M2 | Accept equivalent in pence throughout M1 for any one of the following or equivalent:
|
| (£)1.2(0) or 120(p) | A2 | CAO. If units are given they must be correct Do not award A2 or A1 from incorrect working Award A1 (from M1 or M2) for any one of the following:
|