How can you make 99 cents with 8 coins?

You can make 99 cents with 8 coins by using 7 coins of one denomination and 1 coin of another. For example, you could use 7 dimes (70 cents) and 1 half dollar (50 cents), which totals 99 cents. Alternatively, you could use 6 dimes (60 cents) and 3 pennies (3 cents) along with 1 quarter (25 cents), also making 99 cents.