exam Maths Puzzle Numerical Ability

Construction: How many bundles of strip flooring are needed to cover a rectangular floor area 16 ft by 22 ft 6 in. in size if a bundle of strip flooring contains 24 sq ft, and if 3

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x(m+n)+y(m+n) A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The two types are to be mixed to create 100lb. of a mixture that will sell for $11.25 per pound. How many of each type of bean should be used in the mixture?