You can get the cost of each banana by using the<em> division operation</em>. All you have to do is to divide $0.99 by 3.
0.99 ÷ 3 = $0.33
Each banana costs $0.33
Now that you know the cost of each banana, you may now get the cost of 5 bananas by using the<em> multiplication operation</em>. All you have to do is to multiply $0.33 by 5.