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kelcey1972harris
12.01.2021 •
Mathematics
A cell phone regularly sells for $210 is on sale for 30% off.
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Ответ:
0.70 * x = 210
x = 300 <-- this is your original price and if you think about it taking a 30% discount of this would be 90 dollars and 300 - 90 = 210
All the best
Ответ: