Answer= 12. hope this helped. almost 100% sure this is right.
 
        
             
        
        
        
Answer:
4(t+25) = (t+50) - 4 (0.15t)
4t + 100 = t + 50 - 0.6t
4t + 100 = 50 + 0.4t
4t - 0.4t + 100 = 50 + 0.4t - 0.4t
3.6t + 100 = 50
3.6t + 100 - 100 = 50 - 100
3.6t = -50
3.6t / 3.6 = -50 / 3.6
t = - 13.9
Step-by-step explanation:
 
        
             
        
        
        
Answer:
-6
Step-by-step explanation:
 
        
             
        
        
        
Answer:
$34.50
Step-by-step explanation:
At 3.45 for 3/4 pounds that = to 4.60 for 1 pound.
4.60 *7.5 pounds= $34.50