Higher June 2018 Paper 3 Q9
9 The cost of a ticket increases by 10% to £19.25
Work out the original cost. [3 marks]
| Answer | Mark | Comments |
|---|---|---|
| 1.1 seen or 110% = 19.25 seen or \(19.25 \div 110\) | M1 | oe eg 10% = 1.75 1% = 0.175 |
| \(19.25 \div 1.1\) or \(0.175 \times 100\) or 17.5 | M1dep | oe |
| 17.50 | A1 | correct money notation |
Additional guidance
| Condone £17.50p | M1M1A1 |
| Answer £17.5 | M1M1A0 |