STEP - BY - STEP EXPLANATION
What to find?
The rate of commission.
Given:
To solve, we will follow the steps below:
Step 1
Define the formula that can be use in solving the given problem.
[tex]Rate\text{ of commission=}\frac{amount\text{ earned}}{total\text{ amount}}\times100[/tex]
From the question;
amount earned = $6300 and total amount = $210000
Step 2
Substitute the values into the formula and simplify.
[tex]Rate\text{ of commission=}\frac{6300}{210000}\times100\text{ \%}[/tex][tex]=\frac{63}{21}\text{ \%}[/tex][tex]=3\text{ \%}[/tex]
ANSWER
The rate of commission is 3 %
