alleryA drink is 1/2 cola at 120 g sugar/L, 1/4 lemon soda at 100 g/L and 1/4 orange soda at 150 g/L. Sugar per litre?
A122.5 g
B120 g
C125.5 g
D117.5 g
Answer & Solution
Correct answer: A. 122.5 g
The weighted mean is 0.5 x 120 + 0.25 x 100 + 0.25 x 150 = 60 + 25 + 37.5 = 122.5 g.
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