Lesson Topics Discussion Quiz: Class Homework |
Steps-3 |
Title: Percentage Decrease |
Grade Lesson s3-l4 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Quiz: Discussion Step
Id | Type | Name | Note |
---|---|---|---|
1 |
Problem |
Find 284 decreased by 6%. |
|
2 |
Step |
Firstly, the percent of fractional multiple. |
\$284 of 6%\$ |
3 |
Step |
The percentage sign % means percent, equivalent to the fraction of \$1/(100)\$: |
\$284 \times(6/100)\$ |
4 |
Step |
After simplification: |
\$(284 \times 6)/100\$ = 17.04 |
5 |
Step |
Subtract the result from Step 3 to the original value: |
284 - 17.04 = 266.96 |
6 |
Solution |
The 284 decreased by 6% is 266.96. |
|
7 |
Sumup |
Please summarize steps |
|
Choices |
|||
8 |
Choice-A |
This is incorrect because it doesn’t consider the correct percentage decrease |
Wrong 260.96 |
9 |
Choice-B |
This is incorrect.It appears arbitrary, not derived from reducing 284 by 6% |
Wrong 166.96 |
10 |
Choice-C |
It is correct because it correctly applies the 6% decrease to the original value of 284 |
Correct 266.96 |
11 |
Choice-D |
Incorrect indicates a substantial decrease in error in the percentage application |
Wrong 136.96 |
12 |
Answer |
Option |
C |
13 |
Sumup |
Please summarize choices |
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