Applying addition and subtraction

Maths

Star shaped notebook and I <3 Space keyring

John buys two items. The difference in price is £3.90. Which two items did he buy?

What is the total cost of the Solar system model, a keyring and the galaxy book?

In a sale, the price of the cuddly toy decreases by £5.96. What is the new price?

Galaxy book, Alien cuddly toy and Alien T-shirt

Keyring, Model solar system and Alien T-shirt

Model Astronaut, Alien cuddly toy and Alien T-shirt

Sally buys three items. She pays more than £35 but less than £40. What could she have bought?