4 shop assistants sold goldfish at the pet shop. Hafizah sold 6 fewer goldfish than Jia Yi. Boon Hui sold 15 fewer goldfish than twice Jia Yi's. Sandra sold three times as many goldfish as Jia Yi. Together they sold 133 goldfish. How many goldfish did Boon Hui sell?
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.