Level 3
A bicycle shop has an equal number of bicycles and tricycles. The total number of wheels is 480. How many tricycles does the bicycle shop have?
Level 3
Asher collected $264 from the sales of bottled drinks and packet drinks. 1 bottle of drink costs $2 and each packet of drink costs $1. He sold 15 less packet drinks than bottled drinks. How many packet drinks were sold?