Number 3's answer: $2.89 per box
Explanation: take the total cost divided by the number of cereal boxes. $43.35÷15=$2.89 per box
Number 4's answer: 2.45
Explanation: number of points divided by minutes=points per minute. 98÷40=2.45 point a minute.
Number 5's answer:$0.89
Explanation:total cost of bananas divided by pounds=cost per pound. $1.89÷2.25 (2 1/4) =$0.89
Hope this helps