exam
Maths Puzzle
Numerical Ability
1)2x-5/(x-2)(x+6)over/divided by x^-2x+1/(x-2)(x+6)=?
2)4ab*b*b*b*b/a+b/6a^b*b*b*b=?
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I need to solve this problem by using the linear combination method. Here is the equation: 3x+2y-z=8
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Fred walks 5 miles for every 3 blocks that Roberts walks. They walk a total of 24 blocks. How many blocks does Robert live from school?