4% in addition of the original price
Explanation
Let
x represents the original price fo the bike,The bike store marks up the wholesale cost of all of the bikes they sell by 30%
, Andre will pay 130% of the original price
[tex]10\text{ percent=}\frac{130}{100}=1.3[/tex]the price will be
[tex]\begin{gathered} \text{price}=x\cdot1.3=1.3x \\ \text{price}=1.3x \end{gathered}[/tex]No, if the bike is discounted by 20%, it measn Andre will pay 80 percent of the price
[tex]\begin{gathered} price_{f\in al}=1.3x\cdot\frac{80}{100} \\ \text{price}=1.04\text{ x} \end{gathered}[/tex]it means Andre will pay and increase of 4 percent (in addition) of the original price,
I hope this helps you