The librarian is selling packages of pens and pencils to students. A package of pens cost $1.50 more than a package of pencils. Write the total cost of a package of pens (y) as a function of the cost of a package of pencils (x). A x = y − 1.50 B x = y + 1.50 C y = x − 1.50 D y = x + 1.50

Option D.

Step-by-step explanation:

Let

y ----> the total cost of a package of pens

x ----> the cost of a package of pencils

we know that

A package of pens cost $1.50 more than a package of pencils

so

The linear equation that represent this problem is

final answer is : )

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

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