143 dimes would have been $14.30. There was $13.20 more than that. Every extra 15c meant one more quarter and one less dime. $13.20 is equal to 88 times 15c so there were 88 quarters ($22) and 55 dimes ($5.50).
47 Quarters 83 Nickels
8 of them.
The five coins are 3 quarters and 2 dimes.
Quarters
3 quarters & 2 nickels
If Keoki has 14 quarters and 8 dimes (for a total of 22 coins), she has $3.50 and $0.80 or $4.30 in coins. If Keoki has 15 quarters and 7 dimes (for a total of 22 coins), she has $3.75 and $0.70 or $4.45 in coins. If Keoki has 22 coins that are all dimes and quarters and their value in total is $4.35 as asked, there isn't a combination of coins that will permit her to have both 22 coins and $4.35 worth of coins.
there are 67 quarters
25
47 Quarters 83 Nickels
Two quarters = 50 cents.
8 of them.
A standard bank roll of quarters is $10, or forty coins.
The five coins are 3 quarters and 2 dimes.
7 quarters and 11 nickles
Quarters
20 quarters
3 quarters & 2 nickels