Answer: 
Step-by-step explanation:
Let x be the price. 20% (0.20) 7.25% (0.0725)

Answer:
20.4
Step-by-step explanation:
8 + 0.4 + 0.07 + 0.008 is your answer. But all you had to do is separate your numbers with working on the biggest number to the smallest number.
Answer:
The answers are, in order:
1. Isolate
2. substitute
3. variable
Step-by-step explanation:
You're welcome :)