book Maths Puzzle Numerical Ability

A bus traveled for 2h @ r mi/h, then decreased the speed by 10 mi/h and traveled for 1 more hour. How far did the bus go?

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book Other Question

An Earthquake measure 6.3 on the richter scale. Find the magintude of this earthquake. Identify the real zeros to the nearest tenth for the function f(x) = x3 - 6x - 9.