Level 2
Gopal went to a shop with 3 fifty-dollar notes. He bought a watch and a calculator. A watch cost 3 times as much as a calculator. He received $32.40 change. How much did the calculator cost?
Level 3
Lucy paid a total of $550 for a brooch, a necklace and a watch.
She spent 35 of her money on the brooch. The necklace cost 3 times as much as the watch. How much did she pay for the necklace?