Question on: JAMB Mathematics - 2015
Simplify 1¼ ÷ (2 ÷ ¼ of 28)
A
1 \( \frac{3}{8}\)
B
2 \( \frac{3}{4}\)
C
4 \( \frac{3}{8}\)
D
3 \( \frac{1}{5}\)
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Correct Option: C
1¼ ÷ [ 2 ÷ ¼] of 28
Apply BODMAS rules
\( \frac{5}{4}\) ÷ [ 2 ÷ ¼ × 28 ]
\( \frac{5}{4} ÷ \frac{2}{7} \)
\( \frac{5}{4} × \frac{7}{2} \)
\( \frac{35}{8}\)
= \(4 \frac{3}{8}\)
Apply BODMAS rules
\( \frac{5}{4}\) ÷ [ 2 ÷ ¼ × 28 ]
\( \frac{5}{4} ÷ \frac{2}{7} \)
\( \frac{5}{4} × \frac{7}{2} \)
\( \frac{35}{8}\)
= \(4 \frac{3}{8}\)
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