exam Maths Puzzle Numerical Ability

Simplify :1. 5c/ c-d + 5d/d-c 2. 4x+3/3 - 7x/4 + x-3/6

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exam Other Question

Solve each of the following systems by graphing:

x - 2y = 8
3x - 2y = 12

and

3x - 6y = 9
x - 2y = 3 A long-distance phone calls $0.96 for the first minute and $0.72 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $6.