Jamal buys 10 bottles of orange juice at the corner store for a total cost of $9.20. If each bottle costs the same amount, how much is 19 bottles of juice?
Understand the Problem
The question is asking for the total cost of 19 bottles of orange juice based on the cost of 10 bottles. It provides the total cost for 10 bottles, which allows us to calculate the cost per bottle and then determine the cost for 19 bottles.
Answer
The total cost for 19 bottles of orange juice is $17.48.
Answer for screen readers
The total cost for 19 bottles of orange juice is $17.48.
Steps to Solve
- Calculate the cost per bottle
To find the cost for one bottle of orange juice, divide the total cost for 10 bottles by 10.
$$ \text{Cost per bottle} = \frac{9.20}{10} = 0.92 $$
- Calculate the total cost for 19 bottles
Next, multiply the cost per bottle by 19 to find the total cost for 19 bottles.
$$ \text{Total cost for 19 bottles} = 0.92 \times 19 $$
- Perform the multiplication
Now, calculate the multiplication.
$$ \text{Total cost} = 0.92 \times 19 = 17.48 $$
The total cost for 19 bottles of orange juice is $17.48.
More Information
Jamal's purchase of orange juice demonstrates a simple unit pricing calculation. By establishing the cost for one bottle, you can easily extrapolate to any quantity, making budgeting and shopping more effective.
Tips
- Forgetting to divide the total cost by the number of bottles to find the unit price.
- Incorrectly multiplying the unit price by the wrong number of bottles.