MagicalSkittle MagicalSkittle

12-10-2015
Mathematics

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In a sale, there is 50% off all prices. A chair costs £17.50 in the sale. How much was it before the sale?

Respuesta :

12-10-2015

£17.50 is 50% of what number
Now the same in math:
£17.50 = .50 x n pr £17.50 = .5n
Divide both sides by .5
n= £ 35

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XxEconix2015xX XxEconix2015xX

12-10-2015

do 17.50 * 2 and youll get the answer so 17.50 * 2 is 35

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