Numeracy Foundation June 2019 Unit 1 Q6
6. Sioned works in a grocery shop.
She has made a poster for the window of the shop.
| Strawberries £8.60 per kg | Raspberries Today’s special offer …………… per kg |
Sioned has forgotten to write the price of raspberries on the poster.
Mr Thomas buys \(\frac{1}{4}\) kg of strawberries and \(1\frac{1}{2}\) kg of raspberries.
He pays with a £20 note.
He gets £2.55 change.
Calculate the price of 1 kg of raspberries.
You must show all your working. [6]
| Scheme | Marks | Comments |
|---|---|---|
| Penalise -1 only on their first possible A1 for incorrect units. Ignore units not given | ||
| (¼ kg strawberries costs) (£) 2.15 | B1 | |
| (Mr Thomas pays) 20 – 2.55 OR (Cost of strawberries from £20) 20 – 8.60 ÷ 4 | M1 | (=£17.45) (= 20 – 2.15 = £17.85) |
| (Cost of 1½ kg raspberries) 20 – 2.55 – 8.60 ÷ 4 (= £) 15.3(0) | m1 A1 | (=£17.45 - £2.15 or £17.85 – 2.55) Sight of (£)15.3(0) implies all previous marks FT ‘their 8.60 ÷ 4’ |
| (Cost of 1 kg raspberries) 15.3(0) ÷ 3 × 2 or 15.3(0) ÷ 1.5 | M1 | FT 'their 15.3(0)' |
| (= £) 10.2(0) | A1 |