Sales tax = 7.5%
7.5% of 12.50 = (7.5/100) * 12.5 = 0.075* 12.5 = 0.9375
tax = 0.9
Total pay = price + tax = 12.5 + 0.9375 = 13.4375
Total pay ≈ 13.44
Hope this solves it.
Answer:20 gallons
Step-by-step explanation:
Answer:

Step-by-step explanation:
because you are finding the total they both had in September, you add. 12 + 9 = 21
I think im not completely sure but it might be -3