Level 3
Jane mixes 2.4 ℓ of rose syrup with twice as much milk. She then pours the mixture equally into 9 cups. How much mixture will each cup contain?
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
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?