Question

a shop offers 30% off everything at sale. the sale price of a pair of designer shoes is £84. calculate the cost of shoes before sale.
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Answer 1

Answer:

£120

Step-by-step explanation:

since shop offered 30% discount, the current given price of the pair of designers is 70% of original cost.

so, let original cost be x

taking ratios,

70/84 = 100/x

on solving, x = £120