Foundation November 2018 Paper 1 Q30
30 Work out the percentage increase from 80 to 280 [3 marks]
| Answer | Mark | Comments |
|---|---|---|
| Alternative method 1 | ||
| \(280 - 80\) or 200 | M1 | |
| their \(200 \div 80\ (\times 100)\) or \(2.5\ (\times 100)\) | M1dep | oe |
| 250 | A1 | |
| Alternative method 2 | ||
| \(280 \div 80\) or 3.5 | M1 | oe |
| \(280 \div 80 \times 100\ (-100)\) or their \(3.5 \times 100\ (-100)\) or \(350\ (-100)\) or (their \(3.5 - 1)\ (\times 100)\) or \(2.5\ (\times 100)\) | M1dep | oe |
| 250 | A1 | |