4. There is a scheme being offered on Juices. Buy one
get one free. If one pack of Juices costs 90, find:
(a) How much discount is this?
(b) What is the percentage discount?
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total marked price will be 2 × 90 = 180
selling price will be 90
so a discount of 180 - 90 = 90rs.
% = 90/180 × 100 = 50%.
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