andresjohnston andresjohnston

24-09-2018
Mathematics

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mckibben2004 mckibben2004

24-09-2018

a. 2s = 4( s - 3.5)
b. 2s = 4s - 14
2s - 4s = -2s
-2s = -14
-2s / -2 -14 / -2
s = 7
c. 2(7) = 4(7 -3.5)
14= 28 -14
d. The individual cost of each persons item is 7.
or
The solution is 7.

Hope this helps!

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