exam Maths Puzzle Numerical Ability

Dick is now seven times as old as Harry. In six years Dick will be five times as old as Harry. How old will Harry be in 5 years?

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A line passing through (-6, -5) and (-1, y) is perpendicular to a line with slope . Find the value of y. Please help me find the average weight in pounds of a type of bird of any choice. Use the rational exponent equation L = 2.43 * W^0.3326 to estimate the wingspan L in feet of the b