Maria do 1/2 work in 1 hour
Sasha do 1/3 work in 1 hour
Thus,
1/2+1/3=5/6 work in 1 hour
5/6 work in = 1 hour
1 work in =6/5=1.2 hours =72 minutes 
        
             
        
        
        
The answer is B. 10 9/12 + 2 1/12= 12 10/12. 12÷2=6 10÷2=5 making the answer 12 5/6
        
             
        
        
        
Answer:
88
Step-by-step explanation:
12.5% is the same as 1/8 of something
11*8=88
 
        
             
        
        
        
Answer:
The Hardcover costs: $19.95 and the Paperback is: $6.65.
Step-by-step explanation:
6.65 * 3 = 19.95
19.95 + 6.65 = 26.60