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?
A
2\(\frac{1}{2}\)
B
6\(\frac{1}{2}\)
C
15\(\frac{3}{8}\)
D
17\(\frac{1}{2}\)
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
\(\frac{40}{100} \times 50\)kg = 20kg
\(\frac{1}{8}\) of 20kg for cake; \(\frac{1}{8}\) x \(\frac{20}{1}\)
= 2\(\frac{1}{2}\)kg
Source: Myschool Past Questions Archive (Record #36164)