exam Maths Puzzle Numerical Ability

john is traveling to a meeting that is 28 miles away.he needs to be there in 30 minutes.how fast does he need to go to make it on time

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exam Other Question

Kay spends 250min/wk excercising. Her ratio of time spent on aerobics to time spent on weight training is 3 to 2. How many miunutes per week does she spend on aerobics? How many hours per week does she spend on weight training? Show that x-a-b is a factor of (x^3)-(a^3)-(b^3)-3ab(a+b), preferably using synthetic division.