wpadmin/ December 7, 2018/ Blog/ 0 comments

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

WATCH OUT FOR THE VIDEO WITH INDEPTH EXPLANATION OF ANOTHER QUESTION, ON “YOU TUBE” IN A FORTNIGHT

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

Time saved = 27 seconds [9/10th(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

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