Given
He earns a commission of 5 percent on the first 10 suits.
he sells more than 10, he earns an additional 3 percent on the additional suits
Last weekend Juan sold 13 suits at a price of $250 each.
Find out Juan Ramirez commission
To proof
As given in the question
Juan sold 13 suits at a price of $250 each
13 suit selling price = 13 × 250
                = $ 3250
As given
He earns a commission of 5 percent on the first 10 suits.
and for more than 10, he earns an additional 3 percent on the additional suits
Juan Ramirez sells 13 suit which are more than the 10 suits
Hence Â
commission percent for the 13 suits = 8 %
First write 8% in the decimal form
[tex]= \frac{8}{100}[/tex]
=0.08
Than commission on the 13 suits = 0.08 × 3250 Â
                            = $260.
Therefore option ( D) is correct.
Hence proved
