SOLUTION: I need some help with this problem. I am totally stumped.
A roll of Glad wrap sells for $2.99. A roll of press'n'seal sells for $3.79 or .5 cents a sqft. Press'n'seal sells for
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Question 109053This question is from textbook Practical business math procedures
: I need some help with this problem. I am totally stumped.
A roll of Glad wrap sells for $2.99. A roll of press'n'seal sells for $3.79 or .5 cents a sqft. Press'n'seal sells for 10/3 times as much per sqft as Glad wrap. What is the price of Glad wrap per sqft?
Thanks in advance for your help!
This question is from textbook Practical business math procedures
Found 2 solutions by oberobic, stanbon:
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
You say that press-n-seal costs .5 (1/2) cent per sqft, or $0.005 per sqft.
Press-n-Seal sells for 10/3 the price of Glad Wrap.
How much is Glad Wrap per sq ft?
Let GW = price of Glad Wrap, and PnS = price of Press-n-Seal.
From these few facts, we can derive an equation:
We are told that
so we know that
Multiply through by the reciprocal of 10/3 to isolate GW.
So Glad Wrap costs .15 cents per sq ft.
ALWAYS check your work!
We know that 10/3 = 3 1/3.
Check!
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A roll of Glad wrap sells for $2.99.
A roll of press'n'seal sells for $3.79 or .5 cents a sq ft.
Press'n'seal sells for 10/3 times as much per sqft as Glad wrap.
What is the price of Glad wrap per sqft?
------------------------
PS per sq ft = (1/2)cent
PS per sq yrd = 27(1/2) = 13.5 cent
-----------------
EQUATION:
PS per sq. yrd. = (10/3)(GW per sq. yrd.
Therefore-----
GW per sq yrd. = (3/10)PS per sq. yrd
GW per sq yrd. = (3/10)(13.5)
GW per sq yrd. = 4.05 cents
=============================
Cheers,
Stan
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