exam Maths Puzzle Numerical Ability

Solve

1/4x - 1/5y = 2
0.03x - 0.4y = -1.64

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exam Other Question

lines p and q intersect to form adjacent angles 1 and 2. if measurement of angle 1 = 3x+18 and mearsurement of angle 2 = -8y-70, find the values of x and y so that p is perpendicular to q. 14 56 458 860 1262