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Maths Puzzle
Numerical Ability
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three exam scores of 70, 60, and 40 what score would you need on the fourth exam to give an average of 72.0
How does a term differ from a factor?
Identify terms and factors in these examples: 5xy, x2 + 2y + 1, (x + y)(x - y)
e.g. 7ab is a term; 7, a, and b are factors)