Level 1
In a party, Mabel folded 153 paper planes. She folded 3 times as many paper planes as her sister. How many more paper planes did Mabel folded than her sister?
Level 2
Rosie made 90 kaya buns and vanilla buns altogether. She made 9 times as many kaya buns as vanilla buns. How many more kaya buns than vanilla buns did she make?
Level 3
Hannah and Vicky bought a total of 212 balloons for an event. Hannah bought 3 times as many balloons as Vicky. How many balloons did Vicky buy?