Answer:
12 gold fish
Explanation:
1) You have to subtract the total for fish food and 2 angel fish from the $15.00 that she spent.
$15.00-$3.00-$6.00 (2 fish at $3.00 each)=$6.00
2) You have to find out how many fish she could buy for $6.00 if the fish are $0.50 each.
$6.00 / 0.50 = 12 gold fish