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1 answer:
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Answer:
New Cost of item is
Step-by-step explanation:
Given:
Original Cost of item =
Item was marked down by
To Calculate Cost after marked down we need to multiply original cost by 50 and then divide by hundred.
Cost after marked down =
Now New cost of the item is calculated by Subtracting Cost after marked down by Original Cost of item.
New cost of the item =
Answer:
The original number was 54.5.
Step-by-step explanation:
If a number is increased by 2.8%, then it is 102.8% of it's original number.
In mathematics, "of" in virtually all cases means "multiplied by".
Therefore, we do the opposite:
1. Convert to a decimal.
102.8% = 1.028
2. Divide by the decimal.
3. Round it to the nearest tenth.
54.47 rounds to 54.5.