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Maths Puzzle
Numerical Ability
Find the coordinates of the midpoint of a segment with each pair of endpoints.
K(1/4, 1), L(1/8, 0)
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__2___ _ ____3______
5w + 10 2w - 4
______3_____ _ ____1____
x2 + 4x + 3 x2 - 9
____4y_______ + ____2y_____
y2
A liter of cream contains 9.5 percent butterfat. How much skim milk containing 5.5 percent butterfat must be added to the mixture to obtain a mixture with 6.5 percent butterfat?