Question

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?​

Answer 1

Answer:

If U is the usual price then U + U/2 = 15.60. 2U + U = 31.20 and U = 10.40