Answer:
18.66 minutes or 18 minutes 39.6 seconds
Step-by-step explanation:
23 x .19 = 4.37
23 - 4.37 = 18.66 minutes
 
        
             
        
        
        
decimal from 6.0250 to 60250. is moving it four decimal places, so that is the same as multiplying by 1 followed by four zeros). This means that an equivalent fraction is 60250 / 10000.
 
        
             
        
        
        
18- 4/9 = 17 9/9 - 4/9 = 17 5/9 litters
        
             
        
        
        
He had $104 left to spend.
1. $416/4=$104
2. $104•3=$312
3. $416-$312=$104