kayranicole1
10.10.2020 •
Mathematics
Someone please help me!!
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Ответ:
Ответ:
1 and 3
Step-by-step explanation:
Step 1 is clearly elaborated. Tax is impliedd on the discounted price.
In step 3, the steps of deductions are skipped.
Like 1 + 10% = 110% and 1 - 20% = 80%
Step 2 is simply wrong. Because the percentages are implied on different values.