2012
Mathematics
JAMB
The value of y for which 1/5y + 1/5 < 1/2y + 2/5 is
A.
y > 2/3
B.
y < 2/3
C.
y > −2/3
D.
y < −2/3
Correct Answer: y > −2/3
Explanation
1/5y + 1/5 < 1/2y + 2/5 Collect like terms y/5 − y/2 < 2/5 − 1/5 2y−5y/10 < 2−1/5 −3y/10 < 1/5 y > −2/3
1/5y + 1/5 < 1/2y + 2/5 Collect like terms y/5 − y/2 < 2/5 − 1/5 2y−5y/10 < 2−1/5 −3y/10 < 1/5 y > −2/3THIS WEEK's
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