Class 5A, Class 5B and Class 5C borrowed books from the school library last month. The ratio of books borrowed by Class 5A to Class 5B is 1 : 1. The ratio of books borrowed by Class 5B to Class 5C is 2 : 1. Class 5A borrowed 40 books. How many books did the three classes borrow altogether?
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.