exam Maths Puzzle Numerical Ability

A family drove to the Grand Canyon, averaging 45 mph. They returned using the same route, averaging 60 mph. If they spent a total of 7 hours of driving time, how far is their hom

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exam Other Question

Solve the following system. If a unique solution does not exist, state whether the system is inconsistent or dependent.

2x - y = 4
2x - y = 6 A long distance phone call costs $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.