Answer:
£162.35.
Step-by-step explanation:
Total of letters + packages = 300.
Number of packages =  300 * 16 / ( 16+59) 
= 300 * 16/75
= 64
So number of letters = 300 - 64 =  236.
No. of first class letters = 236 * 1/4 = 59.
No. of 2nd class letters = 236 - 59 = 177.
Total cost
=  64*1.2 + 0.52*59 + 0.31*177
= 162.35.
 
        
             
        
        
        
Answer:
sorry can u give me a like im tring to get points it my first day
Step-by-step explanation:
 
        
             
        
        
        
Answer:
D. 14
Step-by-step explanation:
a^2+b^2=square of c
a^2+x^2=50