Mathematics
WAEC 2006
A baker used 40% of a 50kg bag of flour. If \(\frac{1}{8}\) of the amount used was for the cake, how many kilogram of flour was used for the cake?
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A.
2\(\frac{1}{2}\)
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B.
6\(\frac{1}{2}\)
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C.
15\(\frac{3}{8}\)
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D.
17\(\frac{1}{2}\)
Correct Answer: Option A
Explanation
\(\frac{40}{100} \times 50\)kg = 20kg
\(\frac{1}{8}\) of 20kg for cake; \(\frac{1}{8}\) x \(\frac{20}{1}\)
= 2\(\frac{1}{2}\)kg
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