At a hawker centre there were 20% more aunties than uncles and 30% more boys than girls. There were as many males as females. Altogether 840 people were at the hawker centre. How many girls were there?
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.