A shop has this offer.
£5 reduction if you spend more than £80
or
£10 reduction if you spend more than £130
At the shop, dresses cost
£37 each.
Sue buys 3 dresses
Ann buys 5 dresses
or
£20 reduction if you spend more than £180
How much more than Sue does Ann pay?
Your final line should say, Ann pays £... more