Answer:
about 35 years rounding its 36
Step-by-step explanation:
i converted evrything to positive and did 1371 minus 1296 to get 75 and i divided that by 2.0834
 
        
                    
             
        
        
        
Answer:
XZ = 12x + 6
Step-by-step explanation:
XZ = XY + YZ
XZ = <u>4x</u> + 7 + <u>8x</u> - 1
XZ = 12x + 6
 
        
             
        
        
        
Each pound costs 2.40, 
to check this 2.40 * 5 = 12
so 2.40 * 7 = 16.80
Answer: 16.80
        
             
        
        
        
282+x=400     282-282+x=400-282    x= 118  118 gb used in the first six months