100 g of ginger costs the same as 320 g of onions. It costs $6.20 for 400 g of ginger and 1.2 kg of onions. How much is 100 g of ginger?
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.