Answer:
multiply ur number my 0.08 as that is the tax rate
Step-by-step explanation:
its 72%
15
10% of 12 =1.2
1.2*2= 2.4 (20%)
1.2/2= 0.6 (5%)
2.4+0.6= 3
12+3= $15
No solution
-3x-9=-3x-3-5
-3x-9=-3x-8
-9=-8
Answer: it is 12 hours
Step-by-step explanation: hope it helps