Question 102625
compare the price of Glad wrap to Press'n Seal. A roll of Glad wrap sells for $2.99. A roll of Press'n Seal sells for $3.79 or 5 cents a square foot. Press n'Seal sells for 10/3 times as much per square foot as Glad Wrap. What is the price of Glad wrap per square foot?
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Word problems: Read carefully and symbolize the information as you
read so you won't have to read the whole problem more than once or
twice.
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Your Problem:
Glad = 299 cents per roll
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Press = 379 cents per roll
Press price = 5 cents per sq. ft.
Press has 379/5 = 75.8 sq ft in a roll
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Press price = (10/3)Glad price
Substitute:
5 cents = (10/3)Glad price
Multiply both sides by (3/10) to get:
(3/10)5 =  Glad price
Glad price = 3/2 cents per square ft.

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You probably see that some of the information I put down 
was useless.  You don't know till you get to the answer.
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Cheers,
Stan H.