Question

question 12

mira wants to send a package to a friend. a shipping company charges \\$7 for a medium-sized package, plus an additional \\$2 per pound.

select the expression that will help mira determine the cost of shipping her package, so that she can compare it to other companies.

7(2x)
7 + 2x
9x
7x

Explanation:

Identify the constant and variable rates

The flat fee is a constant charge of \$7.
The variable rate is \$2 per pound, which depends on the weight of the package \(x\).

Formulate the algebraic expression

Combining the flat fee and the variable cost yields:

$$ 7 + 2x $$

Answer:

• (A) \(7(2x)\)
• (B) \(7 + 2x\) (Correct answer)
• (C) \(9x\)
• (D) \(7x\)