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2 votes
2 votes
the expressión 3+4.5 n can be used to find the total cost un dollars to Buy n pens what is the total cost of 5 pens?

User Zacarias Bendeck
by
2.7k points

1 Answer

8 votes
8 votes

ANSWER

$25.50

Step-by-step explanation

We have to replace n by 5 in the given expression:


\begin{gathered} 3+4.5n \\ 3+4.5\cdot5=3+22.5=25.5 \end{gathered}

It costs $25.50 to buy 5 pens

User Romin Manogil
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3.5k points