Lesson Example Discussion Quiz: Class Homework |
Step-4 |
Title: Percentage |
Grade: 8-a Lesson: S1-L3 |
Explanation: Let us verify the answer here with the steps. |
Description:
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Find the number if 35 % of it is 210 km. |
|
2 |
Clue |
% implies percentage |
Divided by 100 |
3 |
Hint |
Operator used : Percentage |
% |
4 |
Step |
35 % of 210 km is |
Let the number be \$x\$ |
5 |
Step |
On simplification |
\$(35/100)\times x = 210\$ |
6 |
Step |
On cancellation |
\$x = \cancel210^30 \times (100/\cancel35^5)\$ |
7 |
Step |
On cancellation |
\$x = 30 \times (\cancel100^20/\cancel5^1)\$ |
8 |
Step |
On simplification |
\$x = 30 \times 20\$ |
9 |
Step |
On simplification |
\$x = 600\$ |
10 |
Step |
= |
\$600\$ |
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