The normal price is gotten by find the 5% discounted price and adding it to the amount paid.
The normal price is £580
Given Data
Discount = 5%
Amount paid = £551
Let the normal price be x
let us find 5% of x
= 5/100 *x
=0.05x
Hence the discounted amount is £0.05x
We know that the amount paid = Normal Price - Discount
Substituting our data
551 = x-0.05x
551 = 0.95x
Divide both sides by 0.95
x = 551/0.95
x = £580
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