Multistep Equations Practice

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3 of 53 of 5 Items

Question
Amir bought a comic book for $9 and four pens. He spent a total of $25.(1 point)
Write an equation that can be used to find the cost of each pen, p.

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a

How much does each pen cost?

1 answer

To determine the cost of each pen, we can set up an equation based on the information provided. Amir bought a comic book for $9 and four pens, and his total expenditure was $25.

  1. Let \( p \) represent the cost of each pen.
  2. The total cost for four pens is \( 4p \).
  3. The equation representing the total spending is:

\[ 9 + 4p = 25 \]

Now, we can solve for \( p \):

  1. Subtract 9 from both sides of the equation:

\[ 4p = 25 - 9 \]

\[ 4p = 16 \]

  1. Divide both sides by 4:

\[ p = \frac{16}{4} \]

\[ p = 4 \]

So, each pen costs $4.