SOLUTION: Johnny wants to ship a package. Shipping costs $2.49 for the first pound and $1.24 for each additional pound. If it costs $11.17 to ship the package, how much did it weigh?
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Question 688448: Johnny wants to ship a package. Shipping costs $2.49 for the first pound and $1.24 for each additional pound. If it costs $11.17 to ship the package, how much did it weigh? Answer by ReadingBoosters(3246) (Show Source):
You can put this solution on YOUR website! s is shipping, a is weight after 1st pound
s = 2.49 + 1.24a
...
11.17 = 2.49 + 1.24a
11.17 - 2.49 = 1.24a
8.68 = 1.24a ==> divide both sides by 1.24
7 = a
...
It weighed 1 pound plus 7 additional pounds, for a total of pounds.
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