book Maths Puzzle Numerical Ability

A private airplane leaves an airport and flies due south at 192 km/h. Two hours later a jet leaves the same airport and flies due south at 960 km/h. When will the jet overtake the

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please help me on this question-- im terrible at math!

the spoke of a wheel reaches from the center of the wheel to its rim. If the circumference of the rim of the wheel is 42 inches, How long is each spoke? Round the answe to the nearest hundreth Can the solution set of the compound inequality x < -3 0r x > 5 be expressed as -3 > X > 5? Please explain.