The first one i need with that one

The 5% sales tax on $87.50 is $4.35, and the total amount is $91.85.

Step-by-step explanation:

To find the 5% sales tax on $87.50, multiply $87.50 by 0.05, obtaining

$4.35.  The total amount due, including this tax, is then $87.50 + $4.35, or $91.85.

The other problems are done in precisely the same way.

answer: ur mum is gay

what i would say the best answer is a. 40.5