Answer:
150
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Number of hours gardening
Step-by-step explanation:
12g 
g = Number of hours gardening
 
        
             
        
        
        
Answer:
The vehicle covers 126 miles on 7 gallons of fuel.
Step-by-step explanation:
Given:
The distance traveled is directly proportional to the amount of fuel.
For  gallons of fuel distance traveled
 gallons of fuel distance traveled  miles can be given as:
 miles can be given as:
 ∝
 ∝ 

where  is constant of proportionality.
 is constant of proportionality.
The vehicle covers  miles on
 miles on  gallons.
 gallons.
So

Dividing both sides by 5.


∴ 
When  gallons
 gallons

 miles
 miles
∴ The vehicle covers 126 miles on 7 gallons of fuel.