Lesson Topics Discussion Quiz: Class Homework |
Steps-4 |
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 250 decreased by 2% |
|
2 |
Step |
Firstly, the percent of fractional multiple |
\$250 of 2%\$ |
3 |
Step |
The percentage sign % means percent, equivalent to the fraction of \$1/(100)\$: |
\$250 \times(2/100)\$ |
4 |
Step |
After simplification: |
\$(250\times 2)/(100)\$ = 5 |
5 |
Step |
Subtract the result from Step 3 to the original value: |
250 - 5 = 245 |
6 |
Solution |
The simplified solution is 245. |
|
7 |
Sumup |
Please summarize steps |
|
Choices |
|||
8 |
Choice-A |
It is correct as it accurately reflects a 2% decrease from the original number (250) |
Correct 245 |
9 |
Choice-B |
This option is incorrect. It represents a decrease of only 1.6%, not 2% |
Wrong 248 |
10 |
Choice-C |
This option is incorrect. It represents no decrease; it’s the original number |
Wrong 250 |
11 |
Choice-D |
This option is incorrect. It represents an increase of 1.6%, not a decrease of 2% |
Wrong 252 |
12 |
Answer |
Option |
A |
13 |
Sumup |
Please summarize choices |
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