Question

Two shops have different deals for buying bottles of cola:

Shop A: Buy two bottles Get one free
Total cost:£3.00
Shop B:Buy three bottles Get the fourth Half price
Total cost:£3.85
if you wish to buy only one bottle, which shop is cheaper?

Answer 1

Shop A

Explanation:

Shop A
Buying two bottles + 1 would mean that each bottle costs £1

Shop B

Buying three bottles + 1 would mean each bottle is £1.1