Answer:
455
Step-by-step explanation:
30%-100= -30*100= -3000/30%= -100
30%of 350 is 455
That's 30 percent off! For $30, you should have $21
original price is $500
decreased price percentage: 100% - 30% = 70%
70% → $350
1% → $(350/70)
1% → $5
∵ original price will be always 100%
100% → $5 * 100
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