Question

1) Moira bought $.65 worth of stamps. She paid for them with 15 coins. What coins did she use?

2) An office building has 10 floors of the same height. How many times as far from the ground is the ninth floor as the third floor?

Answer 1

Question 1: 1 quarter, 2 dimes, 2 nickels, 10 pennies

I don't know the second one, sorry.

Explanation: