During a clothing store’s Bargain Days, the regular price for T-shirts is discounted by $5. There is a state sales tax of 5%, and the $5 discount is applied before the sales tax is calculated.

a. Write an expression that shows the regular price r of a T-shirt minus the $5 discount.

b. Write a rule for the function p(r) that expresses the final price p of a T-shirt with the discount applied and sales tax added.

c. How much would you pay during Bargain Days for a shirt regularly priced at $15.50?

Question

During a clothing store’s Bargain Days, the regular price for T-shirts is discounted by $5. There is a state sales tax of 5%, and the $5 discount is applied before the sales tax is calculated. 

a. Write an expression that shows the regular price r of a T-shirt minus the $5 discount. 

b. Write a rule for the function p(r) that expresses the final price p of a T-shirt with the discount applied and sales tax added. 

c. How much would you pay during Bargain Days for a shirt regularly priced at $15.50?

anonymous · Answer

I did it like this.
A.) t=r-5
B.) p(r)= r-5*0.525
C.) $11.03
Would this be correct??

nykoreyan · Answer

correct

anonymous · Answer

Yay! Thanks. I asked someone else and they really confused me. They said   a) d = r - 5 where t is the ful price 
b) p = ( r - 5 ) * 1.05 
c) p = (15.5-5)*1.05 = 10.5 * 1.05 = $ 11.02

anonymous · Answer

I don't even know where they got 1.05 from

anonymous · Answer

correct buddy

anonymous · Answer

ok thanks again.

anonymous · Answer

no problem

nykoreyan · Answer

y didn't I get the best response I told u it was right first lmao

anonymous · Answer

Sorry my computer kicked me out. That wasn't me though who gave the best response to him. I gave it to you. Thanks.