In a half price sale, all original prices are halved or divided by 2.
Example 1
How much will a CD costing £10.50 cost in this half price sale?
Answer
We must work out £10.50 ÷ 2 = £5.25
Example 2
How much did a CD cost originally, if it is priced at £10.50 in this half price sale?
We must work out £10.50 x 2 = £21.00
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