Mrs Lim withdrew some money from the bank. She gave half of it to her son for his tuition fees. She then spent $24 on groceries and was left with $16. How much money did Mrs Lim withdraw at first?
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.