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vbui8390
29.09.2019 •
Mathematics
Agerbil cage,priced at $18, is discounted 20% for one week, and then this price is marked up 20%. is the price back to 20% explain
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Ответ:
first, the discount is 20 percent of 18 dollars, that is 18/5=3.6
this means that during the first week the prize is 18-3.6=14.4
now, the prize is marked up 20 % of 14.4! this is 2.88
so the prize later will be 14.4+2.88, that is 17.28, not 18
what is relevant here is what a number is a percent OF
Ответ:
4.05
Step-by-step explanation:
add the numbers