Question

The cost to mail a letter is a base charge of $0.42 plus $0.17 for each ounce. Write an expression to represent the cost for mailing a letter that is w ounces. Then find the cost for mailing a letter that is four ounces.

Answer 1

$0.42 + $0.17 x 4 = $1.10

Explanation:

Answer 2

$0.42 + $0.17w = x

$0.42 + $0.17 x 4 = $1.10

Explanation:

for building the equation, we were given the variable for ounces so just multiply the amount of ounces by .17 and for solving for four ounces just input 4 into W and boom equation solved