You need do like 25$--------100% of real price
                         x$---------70%
25x70=100<u>x</u>
1,750=100<u>x</u>
    <u> x</u>=1750<u />divided by 100=17.5$
        
                    
             
        
        
        
Both are correct.
Good job!
        
             
        
        
        
Answer:
 and
    and    
Step-by-step explanation:
when you solve for r in the given equation, you need to apply the square root property, which gives positive and negative answers (both should therefore be considered):

then you need to include these two possible solutions:
 and
    and    