SOLUTION: 28 children took part in a math league competition. The number of children who finished behind Raul was twice as large as the number of children who were more successful than him

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Question 298965: 28 children took part in a math league competition. The number of children who
finished behind Raul was twice as large as the number of children who were more
successful than him. In which place did Raul finish?
A. Sixteenth B. Seventeenth C. Eighth D. Ninth E. Tenth
Answer by mananth(16949) About Me  (Show Source):
You can put this solution on YOUR website!
let x children be before raul
so 2x children were behind him
raul was in betwen them
x+1+2x=28
3x=28-1
3x=27
x=9 were ahead of him
2x=18were behind him
he came in the 10Th place