Question on: JAMB Mathematics - 1999
A
7
B
8
C
9
D
12
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Correct Option: A
degree of excellent in the pie-chart = 360o - (90o + 120o + 80o) = 360o - 290o = 70o
= 360o = 36 students
70 = \(\frac{70^o}{360^o}\) x 36 = 7
= 360o = 36 students
70 = \(\frac{70^o}{360^o}\) x 36 = 7
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