-9/1*4/3=-36/3
-36/3 is known as -12. The answer is -12.
        
                    
             
        
        
        
If they already have $175, they need $250 more dollars. At $8 a water bottle, they would need to sell at least 32 more bottles.
        
             
        
        
        
Answer:
it's D
Step-by-step explanation:
i just know what I am talking about
 
        
             
        
        
        
<span>50-8t<90 
50-90<8t
-40<8t
8t>-40
t>-5
Solutions should go to the right.
Mary probably was solving it as following
</span>50-8t<90 
<span>-8t<90-50
-8t<40  (here, when she divided both sides by -8, she had to change sign <  to the sign >)
But she did not change the sign, and got
t<-5
</span>