Jo is going to buy 15 rolls of wallpaper.
Here is some information about the cost of rolls of wallpaper from each of two shops.
Chic Decor
3 rolls for £36
Style Papers
Pack of 5 rolls
normal price £70
12% off the normal price
Jo wants to buy the 15 rolls of wallpaper as cheaply as possible.
Should Jo buy the wallpaper from Chic Decor or from Style Papers?
You must show how you get your answer.
