400
100 4 400
400
400
There's no single answer; it depends on how many of each coin you have. For example you could have any of the following:400 quarters1000 dimes2000 nickels500 dimes and 1000 nickels200 quarters, 400 dimes, and 200 nickelsand so on....
1600 quarters
400 quarters
400
400
There are 400 quarters in 400. If you would like to convert quarters to some other unit of measure you need to say what you want to convert into, like dollars or dimes or pounds.
100 4 400
400 quarters = $100
400
400
400
400
You can cut the 100 dollar bill into 4 quarters. (Whether this is legal or not is a different matter.) a quarter = $0.25 → $1 = 4 quarters → $100 = 100 × 4 quarters = 400 quarters → there are 400 quarters in $100.