1

Problem

Find 280 decreased by 4%

2

Step

Firstly, the percent of fractional multiple.

\$280 of 4%\$

3

Step

The percentage sign % means percent, equivalent to the fraction of \$1/(100)\$:

\$280 \times (4/100)\$

4

Step

After simplification:

\$(280 \times 4)/100\$ = 11.2

5

Step

Subtract the result from Step 3 to the original value:

280 - 11.2 = 268.8

6

Solution

The simplified answer is 268.8.

7

Sumup

Please summarize steps

Choices

8

Choice-A

This is incorrect. It represents a decrease of only 1.1%, not 4%

Wrong 278.9

9

Choice-B

It is correct. It accurately reflects the result of decreasing 280 by 4%

Correct 268.8

10

Choice-C

This is incorrect. It represents a decrease of only 0.1%, not 4%

Wrong 279.8

11

Choice-D

This is incorrect. It represents an increase of 0.1%, not a decrease of 4%

Wrong 280.8

12

Answer

Option

B

13

Sumup

Please summarize choices