**Paper 1 Higher - Sample Assessment Q15**

**Answers**

15) In a shop, all normal prices are reduced by 20% to give the sale price.

The sale price of a TV set is then reduced by 30%.

Mary says,

The sale price of a TV set is then reduced by 30%.

Mary says,

*“30 + 20 = 50, so this means that the normal price of the TV set has been reduced by 50%.”*

Is Mary right?

You must give a reason for your answer.

(2 marks)

You must give a reason for your answer.

(2 marks)

**Answers**

Question |
Answer |
Notes |

15 |
No with reason |
C1 - Starts to formulate reason eg. No with partial explanation or 0.8 × 0.7 or starts to use figures C1 - No with full explanation eg. 0.8 × 0.7 = 0.56 so only 44% reduction |