Hello, Ariana,
If 8 coins weigh 32 ounces, and we assume they are the same coin, we can say that each coin is 4 ounces, or 4 oz./coin.
Coins in 88 ounces can be computed by dividing the total by the 4 oz./coin factor.
88 ounces/(4 oz./coin) = 22 coins
Bob