exam Maths Puzzle Numerical Ability

If you have a negative in and outside of the bars how do you solve the problem?

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exam Other Question

On a 130 mile trip, a car traveled at an average speed of 55 mph and then reduced its speed to 40 mph for the remainder of the trip. The trip took a total of 2.5 hours. For how long did the car travel at 40 mph? Please let me know if this is correct.

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