You sell a smartphone that was originally priced at $600 but is now on sale for 20
% off. you give a loyalty customer an additional 10% discount. what is the total percent of discount the customer receives on the purchase?

total discount = 20%+10%=30%

original price of the smartphone = $600

30% of 600= 30/100*600

=180

so total discount is $180

The price after discount = 600-180=420 $

the correct answer to your question is a. 4^4

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