## Thinking Mathematically (6th Edition)

Total weight of Nickels = 4 Kg = 4000 g Weight of one Nickel = 5 g. To find out the total number of nickels, we divide total weight by the weight of one nickel. Number of nickels = $\frac{Total\ Weight\ of\ nickels}{weight\ of\ one\ nickel}$ = $\frac{4000}{5}$ = 800. There are 800 nickels.