Answer:
just look at the algebra formula and simplify to get your answer. Remember to use your powers well
 
        
             
        
        
        
The correct answer is C, 15 inches. Please mark Brainliest if helpful. Thanks
        
             
        
        
        
Answer:
B ($9.78)
Step-by-step explanation:
 
        
             
        
        
        
The awnser is Shari is using the same ratio as Mark's