book Maths Puzzle Numerical Ability

three exam scores of 70, 60, and 40 what score would you need on the fourth exam to give an average of 72.0

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book Other Question

The lengths of three sides of a triangle are in the ratio 3:5:6. The perimeter of the triangle is 28 cm. Find the lengths of each side of the triangle. Find the midpoint of the line segment PQ for P(4, -3), Q(2,7)