Bunuel wrote:
An air-conditioning unit costs $470. On December there was a discount for Christmas of 16%. Six months later, the holiday season was over so the company raised the price of the air-conditioning by 16%. How much will an air-conditioning unit cost in November?
A. $458
B. $470
C. $472
D. $484
E. $491
Effective percentage increase/decrease is\(+16 - 16 -\frac{16*16}{100} = -2.56\) %
So, The price of the AC unit is 100\(- \frac{2.56}{100}*470 ~ 458\)
Thus, the correct answer must be $ 458
Hence, the answer must be (A) 458
...
.jpg)
