SCHOOL SUPPLIES: Cost of Notebooks and Pens
What is the cost of a notebook and a pen based on the information provided?
To calculate the cost of a notebook and a pen, we need to consider that a notebook costs $1.25 more than a pen.
Let's assume the cost of a pen as "x" dollars. Since a notebook costs $1.25 more than a pen, its cost would be "x + $1.25" dollars.
Emilio bought 3 notebooks and 5 pens for a total of $13.75. Setting up the equation:
3 * (x + $1.25) + 5 * x = $13.75
Therefore, a pen costs $1.25. Calculating the cost of a notebook:
Notebook cost = $1.25 + $1.25 = $2.50
Based on the given information and calculations, the cost of a notebook is $2.50 and the cost of a pen is $1.25.
Simplifying the equation:
3x + 3 * $1.25 + 5x = $13.75
8x + $3.75 = $13.75
8x = $13.75 - $3.75
8x = $10
x = $10 / 8
x = $1.25
Further Details
The cost of school supplies plays an important role in budgeting for students and parents. Knowing the exact prices of notebooks and pens can help in planning the expenses for the academic year.
In this scenario, Emilio purchased 3 notebooks and 5 pens for a total of $13.75. By understanding the relationship between the prices of notebooks and pens, we were able to calculate the individual costs of each item accurately.
Additionally, understanding how to set up and solve equations based on given information is a valuable skill in mathematics and practical problem-solving. By following the steps outlined in the solution, we were able to determine the cost of a notebook and a pen with precision.
School supplies are essential for students to engage effectively in their learning process. By knowing the cost of items like notebooks and pens, individuals can make informed decisions regarding their purchases and ensure they have all the necessary tools for success in school.