Answer:
3.5
Step-by-step explanation:
If you multiply 3.5 for example by 2 (which is the number of gallons) you get 7 which is the cost (also a proportional relationship).
Eliminationg these equations gives zero ,no solution
Answer:1
Step-by-step explanation:heheh
Answer:
1. 81
2. 108 1/2
3. 189 1/2
Step-by-step explanation: