Level 2
A car has 4 wheels and a motorcycle has 2 wheels. There are 10 more cars than motorcycles in a carpark. The cars and motorcycles have a total of 64 wheels. How many cars are there in the carpark?
Level 3
Merlin has some money to buy some markers. He will have $3 if he buys 4 markers. However, he will need $2 more if he wants to buy 5 markers. How much money does each marker cost?