2005
Mathematics
JAMB
Simplify 3(1/2) - (2(1/3) * 1(1/4) + 3/5
A.
2(11/60)
B.
2(1/60)
C.
1(11/60)
D.
1(1/60)
Correct Answer: 1(11/60)
Explanation
3(1/2) - (2(1/3) * 1(1/4)) + 3/5 = 7/2 - (7/3 * 5/4) + 3/5 = 7/2 - 35/12 + 3/5 = L.C.M = 60 = (210 - 175 + 36)/60 = 71/60 = 1(11/60)
3(1/2) - (2(1/3) * 1(1/4)) + 3/5 = 7/2 - (7/3 * 5/4) + 3/5 = 7/2 - 35/12 + 3/5 = L.C.M = 60 = (210 - 175 + 36)/60 = 71/60 = 1(11/60)THIS WEEK's
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