The cost of each pineapple juice bottle at Store A is $0.90 more than at Store B.
What is the rate?
The rate is the ratio of the amount of something to the unit. For example - If the speed of the car is 20 km/h it means the car travels 20 km in one hour.
The rate of the pineapple juice bottle at store A is given as,
Rate = $7.32 / 3
Rate = $2.44 per bottle
From the graph, the two points are (10, $15.40) and (20, $30.80). Then the rate is given as,
Rate = ($30.80 - $15.40) / (20 - 10)
Rate = $1.54
The difference between the rates is given as,
⇒ $2.44 - $1.54
⇒ $0.90
The cost of each pineapple juice bottle at Store A is $0.90 more than at Store B.
Complete question:
Isaac was comparing the price of pineapple juice at two stores. Isaac can buy 3 bottles of pineapple juice at Store A for a total cost of $7.32. The graph below represents what Isaac would pay in dollars and cents, y, for z bottles of pineapple juice at store B.
How much more is a bottle of pineapple juice at Store A than at Store B?