Question

David has a coin collection. He keeps 9 of the coins in his box, which is 2% of the collection. How many total coins are in his collection?

Answer 1

Answer: 450

Work Shown:

x = total number of coins

2% of x = 0.02x = 9 coins in the box

0.02x = 9

x = 9/0.02

x = 450 coins total