5 because 5 is a prime number.
It depends on how much the tax is. You take however much tax it is, and make that number and turn it into a decimal, move it two to the right, and multiply your tax by $10.50. But you DON'T do anything to the $10.50.
Hoped this helped. :)
Answer:
20% off
Step-by-step explanation:
15 - 12 = 3
3/15 = 1/5
1/5 = 0.2
0.2 = 20%
20% off
Step-by-step explanation:
hope it s helps
