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inline skates for sale
By Joseph | July 29, 2009
determine the year inline skates will exceed sales of roller skates?
the number of in-line skates sold between 1982 and 1991 can be modeled by the equation S=20692/9+1/9x. the number of roller skates sold during the same period can be modeled by S=26124/8-3/8x, where x is the year.
So the x value when the lines cross is the solution of
20692/9+1/9x = 26124/8-3/8x
I’d suggest clearing the fractions by multiplying both sides by 9*8 = 72
20692 + x = 26124*9/8 – 3*9/8 x
20692*8 + x*8 = 26124*9 – 3*9x
Aggressive Inline Roller Skates For Sale £30 ONO – Brighton, UK
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REMZ 08 THREE LINER FOR AGGRESSIVE INLINE SKATES ROLLERBLADES ON SALE UK 6 11 12
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REMZ 08 THREE LINER FOR AGGRESSIVE INLINE SKATES ROLLERBLADES ON SALE UK 6 11 12
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