Wei Jie and Farhan had 440 canteen vouchers altogether. Wei Jie gave 50% of his canteen vouchers to Farhan. Farhan then gave 50% of his canteen vouchers to Wei Jie. In the end, Wei Jie had 280 canteen vouchers. How many canteen vouchers did Farhan have at first?
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.