exam Maths Puzzle Numerical Ability

STANDARD QUALITY COFFEE FOR $18.00/KG AND PRIME QUALITY COFE SELLS FOR $24.00/KG. WHAT QUANTITY OF EACH SHOULD BE COMBINED TO PRODUCE 40KG OF A BLEND TO SELL FOR $22.50/KG?

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exam Other Question

Find the x- and y- intercepts of the graphs of the following equations
A. 2x-3y=12
B. (1/3)x+(7/8)y=1 McGraw Hill 6th edition, 8.3 # 58.
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The length of a rectangle is 2 inches more than twice its width. If the perimeter of the rectangle is 34, find the dimensions of the rectangle.