exam Maths Puzzle Numerical Ability

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Analysis of forecasters’ interest rate predictions over the period 1982–1990 was intended to see
whether the predictions corresponded to wh

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The length of a rectangle is 10 in. more than twice its width. If the perimeter of the rectangle is 32 in., find the width of the rectangle.

Thanks so much! Vito invested $500, part at 9% per annum, and the rest at 11% per annum. After one year, the interest earned on the 9% investment was $20 less than the interest on the 11% investment. How much did he invest at each rate?