<span>for a problem like this there is no one solution. It is an inequality. When you graph it you would start with the Y-intercept at (0,10) then you move down 2 on the y axis and move the the right 1 on the x axis as that is your slope. i really hope this helps you with this..wait is there a graph?? Now im confused O-o</span>
Call h the hundreds digit, t the tens digit, and o the ones digit. then the number is 100h+10t+o.
the sum of the digits is 9, our h+t+o=9. if we reverse the digits our new number is 100o+10t+h and this number is 495 larger than the first. we are also given that h+t=½o. put it all together to get
100h+10t+o+495=100o+10t+h
99h-99o=-495
h-o=-5
1h+0t-1o=-5
1h+1t+1o=9
1h+1t-.5o=0
now I put this all in an augmented matrix and write it in reduced row echelon form (I'll spare you the gory details, you can use substitution and elimination if you'd rather). I get the original number to be 126
Answer:
C $3 discount
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your welcome :)
I think its a....................................
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this for points sorry
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