4MA0 Foundation June 2013 Paper 1 Q17
17 An airline increases the prices of its flights by 8%.
(a) Before the increase, the price of a flight to Cairo was £475
Work out the price of a flight to Cairo after the increase. (3)
Work out the price of a flight to Cairo after the increase. (3)
(b) The increase in price of a flight to Mumbai was £48
Work out the price of a flight to Mumbai after the increase. (3)
Work out the price of a flight to Mumbai after the increase. (3)
| Scheme | Marks |
|---|---|
| \(\dfrac{8}{100} \times 475\) oe or 38 or 437 | M1 |
| 475 + “38” | M1(dep) |
| 513 | A1 |
| (3) |
Notes
M1: M2 for \(475 \times 1.08\) oe
A1: cao
| Scheme | Marks |
|---|---|
\(1\% = \dfrac{48}{8}\) or 6 8% (of amount) = 48 | M1 |
| “6” × 100 or 600 | M1 |
| 648 | A1 |
| (3) |
Notes
M1: M2 for \(\dfrac{48}{8} \times 100\) or 600 or \(\dfrac{48}{0.08}\) or \(\dfrac{48}{8} \times 108\) or \(\dfrac{48}{0.08} \times 1.08\)
A1: cao
(NB: An answer of 600 scores M2A0)