There are 500
10
There are 100 pence in one pound. Therefore, to find out how many 10p coins are needed to make one pound, you would divide 100 by 10, which equals 10. So, you would need 10 10p coins to make one pound.
Well, honey, if you're talking about British pounds, then you'd need 1,500 of those 10 pound notes to make 15,000 pounds. It's not rocket science, just basic math. So, there you have it, simple and straight to the point.
Twenty pounds.
1 pound/10 p = 100 p/10 p = 10