exam Maths Puzzle Numerical Ability

12<5x-3<22

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exam Other Question

A long-distance phone call costs $1.28 for the first minute and $0.78 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $8. Find the coordinates for the vertices of the lattice regtangle that is three times as long as it is wide with none of the sides horizontal.