Lesson Example Discussion Quiz: Class Homework |
Step-3 |
Title: Percentage |
Grade: 8-a Lesson: S1-L4 |
Explanation: Let us verify the answer here with the steps. |
Description:
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
If Ram buys five apples at a cost of $20 each and he sells all apples to Joe at a profit of 20%. Find the selling price of each apple? |
|
2 |
Clue |
calculation implies percentage |
Divided by 100 |
3 |
Hint |
Operator used : Percentage |
% |
4 |
Formula: |
\$"SP" =\$ |
\${(100 + P%)/100} \times "CP"(if SP > CP)\$ |
5 |
Step |
Cost price(CP) of each apples = |
$20 |
6 |
Step |
He sells all apples to Joe at a profit of 20% = |
120% of 100 |
7 |
Step |
⇒ |
\$(120/\cancel100^1) \times \cancel100^1\$ = \$120\$ |
8 |
Step |
Selling price of each apple = |
\$\cancel(120)^24/\cancel5^1\$ = \$24\$ |
9 |
Step |
Therefore, selling price of each apple is |
\$24\$ |
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