Leannie bought 5 of Dr. Mumin’s book and 3 of Dan Moyer’s book
        
             
        
        
        
Answer: 12.3
Step-by-step explanation: It's 12.3 because the other 3 is in the hundredths place and the rule says 5 or more round,4 or less stays the same
 
        
             
        
        
        
1. Find the unit rate
15 books divided by 5 days = 3 books sold per day.
Since we are looking for how many days it would take the store to sell 21 bucks, we could do 21 (amount of books) divided by 3 (how much books is sold in a day).
Therefore, it will take a week / 7 days to sell 21 books.
        
             
        
        
        
Answer:
Option D. 7/250 = 24.8/x; 885.71
Step-by-step explanation:
we know that
Using proportion

 
        
             
        
        
        
Answer: D
(5/4) (1/6) 4^ (5/6)
Step-by-step explanation: I’m taking the test for this unit and I got it wrong but this was the CORRECT answer.