book Maths Puzzle Numerical Ability

At noon a train leaves Bridgton heading east at 90 mi/h to Cogsville, 450 mo away. At 12:15 pm a trainh leaves Cogsville heading west to Bridgton at 100 mi/h. At what time will th

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book Other Question

A weather ballon rises at the rate of 8 feet per second at a time when the wind is blowing at 9.44 mph. After 15 minutes, how far away in feet from the launch point is the ballon ? (Round to the nearest hundred feet) translate"the sum of five times the square of y and the square of x into a mathematical expression.