exam Maths Puzzle Numerical Ability

Carla and Candice left from the same place at the same time and rode their bikes in the same direction. Candince bicycled at an average speed 3/4 of Carla's speed. After 2 hours

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exam Other Question

Consider the system of inequalitites x - 2y < or = -1, 5x - 2y > or = -21, x - 2y > or = -9, and 3x + 2y < or = 13.

The < or = is like less than or equal too
The > or = is lik Cindy runs 8 meters/second for half of a 400 meter race. She gets a leg cramp halfway through and runs at a slower speed. Her average speed is 6 meters/second. How fast did she run after getting the cramp?