shail2509 wrote:
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Approach 1: The first discount is 10%, so we need to find out the percent of the second discount. $75 is 5% of $1,500. Therefore, 10%+5%=15%.
Dear Bunuel,
Your approach 1 is quiet fast and easy but i didn't get it.How you got 5% for $75 on $1500 as in the question it is said that $75 is given as an additional discount on the discounted price where in you have calculated on the original listed price.
As per question, it should be what percent is $75 for $1350, which comes to 5.55%.
Even though (10%+5.55%) 15.5% is not in the option so the nearest ans fix is 15% but what if it is there. Was just wondering.
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What you're talking about is , is successive percentages . When have 2 subsequent percentage to apply on a single price amount to determine the discounted price.
However , in this question we already have the amount that is discounted for the 2nd time . The question asks us to determine the total discount she got on the marked price. hence 75 would be 5% of 15000 and it would be correct to add 10 %+5% to arrive at 25% .
Let me know if that helps