The normal price of a tablet is £550. Sam was given a sale discount of 22%. How much does Sam pay for the tablet?

*Please attempt the above question, timed and then click below to reveal the three second technique leading to the correct answer*

Answer

Hours:Minutes:Seconds

00:00:00

Technique © :
Step 1. 10% of £550. (Move the decimal one place to the left) and multiply by 2 to find 20% of £550= £55 × 2 = £110

Step 2. 1% of £550. (Move the decimal two places to the left) and multiply by 2 to find 2% of £550 = £5.50 × 2 = £11

Step 3. £550- £110 – £11= £429

Answer: Sam paid £429

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Time allowed: 30 seconds Time taken using the technique: 3 seconds

__Time saved = 27 seconds [9/10__^{th}__(90%) of time allowed by examiner]__

__WORK SHEET – Practice question__

The normal price of a laptop is £750. John was given a sale discount of 12%. How much does John pay for the tablet?

STEP 1

STEP 2

STEP3