During a half- price sale Mr. Kamaran bought a notebook for the usual price and a second notebook for one-half the usual price. If he paid 15.60 for the 2 notebooks what was the usual price of a notebook?
[A].
7.5
[B].
20.8
[C].
8.6
[D].
5.2
[E].
10.4
Answer: Option E
Explanation:
If U is the usual price then U + U/2 = 15.60. 2U + U = 31.20 and U = 10.40