When you think of time, you may look at your clock to see what time it is. Say the clock reads 12:25 am, and you're feeling hungry. You happen to have $11.25 in your wallet. This makes you think of the relationship between the money and time
How could money relate to time? Well, time only goes through a sixty minutes an hour. But, while the time goes, you can think, "it's a quarter past 12." This would represent 12:25 p.m.
A quarter is money, and it was a quarter past 12. That is one way you could relate time to money. You could say, 11:25, 10:25, 9:25, and it could still mean a quarter past 11, 10, 9. "Quarter doesn't have the same meaning for both different terms, but we use the same vocabulary for both!
