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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 malling a letter that is wounces. Then find the cost for mailing a letter that
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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 malling a letter that is wounces. Then find the cost for mailing a letter that is four ounces.

User Ghostika
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Expression: y=.17x+.42
x is the ounce
y is the total cost

.17×4+.42= (IDK, I don't have a calculator with me, can you search it up on your own?)
Hopefully this helps and sorry for my lack of answer for the second one.
User Gonjay
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