book Maths Puzzle Numerical Ability

i need help on making equivalent fractions when adding subrtractin multiplying and dividing

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book Other Question

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? I need help solving this quadratic equation:
(x-2)^2+x^2=10