In the sales, a CD player costs £64 from Electrics 'R' Us and the same CD player costs £64.60 from Music World.
Electrics 'R' us - 1/5 off normal price.
Music World - 15% off normal price.
Which shop has the cheapest normal price.
Thank you in advance.
ER , 1/5 off , 4/5 normal , 80% normal
... normal = 64 / .80
MW , 15% off , 85% normal
normal = 64.60 / .85
To determine which shop has the cheapest normal price for the CD player, we can compare the original prices of both shops before any discount is applied.
In this case, Electrics 'R' Us offers a CD player for £64, whereas Music World offers the same CD player for £64.60.
Since the question asks for the cheapest normal price, we can directly compare the original prices. £64 is less than £64.60.
Therefore, Electrics 'R' Us has the cheaper normal price for the CD player.