(a) Simplify 2 1/2 - 3 5/6 + 1 2/3, giving your answer as a fraction in its lowest terms. (b) At a certain Secondary School, 400 pupils sat for a Form 1 entrance test. If 150 of them passed the test, find the percentage that failed.

Model answer

(a) 1/3; (b) 62,5%

Also accepted: 1/3; 62.5%, 1/3; 62,5, 1/3; 62.5

ZIMSEC Mathematics 4008/2, November 2012, Q1, via the Topical Collection

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