Noah wants to buy 15 packs of stickers for the cheapest possible price. Shop A and Shop B both have a special offer.
15% off the normal price of £1.20\pounds 1.20£1.20
£1.50 \pounds 1.50\,£1.50 each Buy 2 get 1 free
Which shop should Noah buy the stickers from? You must show how you get your answer.
