4MA0 Higher June 2016 Paper 4 Q3
3 In a sale, all normal prices are reduced by 20%
(a) The normal price of a television set is 485 euros.
Work out the sale price of the television set. (3)
Work out the sale price of the television set. (3)
(b) In the sale, the normal price of a tablet computer is reduced by 79 euros.
Work out the normal price of the tablet computer. (3)
Work out the normal price of the tablet computer. (3)
| Scheme | Marks |
|---|---|
| 0.8 × 485 or 485 – 0.2 × 485 or 485 – “97” oe | M2 |
| 388 | A1 |
| (3) |
Notes
M2: For a complete method
If not M2 then:
M1 for 0.2 × 485 or 97 oe
A1: cao
| Scheme | Marks |
|---|---|
| \(\dfrac{79}{0.2}\) or \(\dfrac{79}{20} \times 100\) or 3.95 × 100 or 79 × 5 oe | M2 |
| 395 | A1 |
| (3) |
Notes
M2: For a complete method
If not M2 then:
M1 For 20% = 79 or
\(0.2x = 79\) or
\(\dfrac{79}{20}\) or 3.95 or
\(\dfrac{x}{79} = \dfrac{100}{20}\) oe
A1: cao
ScB2 for 316