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Maths Puzzle
Numerical Ability
5x+20=-10
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How long will it take a bus traveling at 60 miles per hour to overtake a car traveling at 40 miles per hour if the car had a 1.5-hour head start?
Lincoln High's enrollment decreases at an average rate of 75 students per year, while erie High's enrollment increases at an average rate of 60 students per year. Lincol High has