At the bus interchange after school there were 40% more female passengers than male passengers and 30% more schoolboys than schoolgirls. There were as many males as females at the interchange. Altogether 492 people were at the interchange. How many schoolgirls 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.