Question

Kim has stamps only from the U.S. and France in her collection. She has 4 times as many stamps from the U.S. as France. Which is an expression for the number of stamps in her collection using f for the number of stamps from France?

f

4+ f

4f

5f

Answer 1

The answer is 4f
If f is the number of france stamps then the 4 would be 4 times that which is equal to the amount of US stamps