exam Maths Puzzle Numerical Ability

How much coffee worth $12 per pound should be mixed with coffee worth $8 per pound to produce 50 pounds of a coffee blend worth $8.80 per pound?

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exam Other Question

The hypotenuse of a right triangle is 60 cm. If one leg is five centimeters longer than the other leg, what is the length of the legs? Any help on this question would be greatly apreciated:

A rectangular parking lot is 50 ft longer than it is wide. Determine the dimensions of the parking lot if it measures 250 ft diagonally.

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