Siti has 6 coins in her pocket. Each twenty-cent coin is worth 20 cents and each fifty-cent coin 50 cents. The coins come to 180 cents in all. How many fifty-cent coins does she have?
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.