exam Maths Puzzle Numerical Ability

m/2 - n/4 = 2
3m/4 - n/5 = 5

Solve by elimination

Answer's are M = 68/7 and M = 80/7

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exam Other Question

what is ds=c solve for d Determine whether the three points are the vertices of a right triangle:

1) M(-6;-4); N(0;-2); Q(-10; 8)

2) M(-4;1); N(1;4); Q(-6;-1)

3) M(-4;3); N(2;5); Q(-1;-6)