tzartiger12
08.10.2019 •
Mathematics
The original price of a pair of shoes is $42. the sale price of is 20% off the original price.what is the amount off the original price.
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Ответ:
Ответ:
6.58-8.36x=3.98x-27.33
Collecting like terms
6.58+27.33=3.98x+8.36x
33.91=12.34x
33.91/12.34=12.34/12.34
x=2.75