Spencer bought 3 books of stamps and mailed a package. it cost $4.50 to mail the package. define a variable and write an express
ion to represent the total amount he spent at the post office.
1 answer:
X = The cost of each book of stamps
There for your expression would be:
3x + 4.50
3x is 3 book of stamps times x cost of each book.
Your 4.50 is your one time fee to mail the package.
Hope this helps! (:
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