Answer:
The need to wash 16 cars.
Step-by-step explanation:
If they charge $20 per truck and washed 15, it would be $300. So you subtract $460 from $300. That gives you $160. Then, you divide $160 from $10. That gives you 16.
 
        
             
        
        
        
The answer can be 6/1 or just 6. And visit www.caculatorsoup.com
        
             
        
        
        
Answer:
Its actually one solution it is solvable and only has one solution
Step-by-step explanation:
 
        
             
        
        
        
Given:
Principal = Rs. 6000
Rate of simple interest = 6% per annum.
Time = 4 years
To find:
The simple interest and amount.
Solution:
Formula for simple interest:

Where, P is principal, r is the rate of interest and t is the number of years.
Putting P=6000, r=6 and t=4, we get



Now,



Therefore, the simple interest is Rs. 7440 and the amount is Rs 7440.