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#### karush

##### Well-known member

- Jan 31, 2012

- 2,820

View attachment 1140

(a)

. (i)well looking at the pattern $p=32+33=65$

. (ii) $q=99-p=99-65=34$

(b) $\frac{35}{2}$

(c) $\frac{35}{2}$

. on (b) and (c) do we have to consider the # of students on these?