A and B are friends and their ages differ by 4 years, A being the elder. A's father D, is twice as old as A, and B is twice as o
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Answer:
The rate of markdown it would have to offer is 27.3%.
Step-by-step explanation:
The original price of sofa was, OP = $880.
The new price of sofa is, NP = $640
The change in price is:
The rate of markdown offered by the shopkeeper is:
Thus, the rate of markdown offered by the shopkeeper is 27.3%.