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23-02-2015
Mathematics

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A television is reduced by 20% to £420. What is the original price?

Respuesta :

23-02-2015

£420 increased by 80%= 100% (original price)

420/ 0.80= £525

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23-02-2015

420 = 80%
x = 100%

Cross Multiply

80 * x = 420 * 100
80x = 42000
x = 42000
80
x = 525

The original price is £525.

Answer Link

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