Q9 — At a concert there were 30% more women than men and 25% more boys than girls. There were 250 people, with as many males as females. How many girls?
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.