4 pupils bought recess tokens at the school canteen. Devi bought twice as many tokens as Amirah. Jun Wei bought 15 fewer tokens than Devi. Haziq bought 25 fewer tokens than Devi. In all they bought 100 tokens. How many tokens did Jun Wei buy?
Opening the drawing…
MathBrush is being tested with a few parent groups, and every solution on the site is open to them. If you were given a code, it goes in once and this device remembers it. 65 worked examples are free to everyone without one.