Answer:
$95.77
Step-by-step explanation:
We are told that Tim wants to purchase a watch for $98.99.
He has a coupon that will discount the watch by 10%. So price of watch after using coupon will be,
[tex]\text{Price of watch after discount}=98.99-(98.99*\frac{10}{100})[/tex]
[tex]\text{Price of watch after discount}=98.99-(98.99*0.10)[/tex]
[tex]\text{Price of watch after discount}=98.99-9.899=89.091[/tex]
Now let us find the price of watch after sales tax of 7.5%.
[tex]\text{Price of watch after sales tax}=89.091+(89.091*\frac{7.5}{100})[/tex]
[tex]\text{Price of watch after sales tax}=89.091+(89.091*0.075)[/tex]
[tex]\text{Price of watch after sales tax}=89.091+6.681825[/tex]
[tex]\text{Price of watch after sales tax}=95.772825\approx 95.77[/tex]
Therefore, Tim will pay $95.77 at the register.
