exam Maths Puzzle Numerical Ability

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The width of a rectangle is 14 feet less than twice the length. What is the length if the perimeter is 62 feet?

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exam Other Question

cashews sell for $8 a pound, and peanuts sell for $3 a pound. A store want to make 20 pounds of mixed nuts which they will sell for $6 a pound. How many pounds of cashews and how many poiunds of peanuts should they use? What are the coordinates of the focal point y=3(2)(^2x+4)-5 ?