exam
Maths Puzzle
Numerical Ability
(3x-1)+(3x+1)+4 first part underlined by 9, second by 3
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exam Other Question
2x+1 - 3x+4 = 5x-9
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3 6 9
The instructions only said solve.
If the average of six numbers is 18 and the average of three of the numbers is 15 then what is the sum of the remaining three numbers ? Need help on how to set this up and how to figure it...Thanks so much..