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Mr. Carnegie will buy pencils and pens for his students
for the school year.
• He can spend no more than $30 on pencils and pens.
• Pencils cost $0.15 each, and pens cost $0.75 each.
• He needs to buy at least 3 times as many pencils as
pens.
Which of the following systems of inequalities can be
used to determine the number of pencils that Mr.
Carnegie can buy?
O A. 0.15x + 0.75y 30 and y > 3x
OB. 0.15x +0.75y < 30 and y < 3x
OC. 0.15x +0.75y > 30 and 3y > x
D. 0.15x +0.75y < 30 and 3y

Respuesta :

The system of inequalities that can be used to determine he number of pencils that Mr.Carnegie can buy is 0.15x +0.75y < 30 and y < 3x.

What are inequality sign and what do they mean?

> means greater than

< means less than

≥ means greater than or equal to

≤ less than or equal to

What are the system of inequalities?

The total amount spent on pens and pencils cannot exceed $30. Thus, the inequality sign to be used is <. Thus, the equation is: 0.15x +0.75y < 30 and 3x > y

To learn more about inequality, please check: https://brainly.com/question/5031619

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