Answer:
3 hours
Step-by-step explanation:
In an hour there are 60 minutes to find the unit rate of problems per minute you divide 60/24 and get 2.5 multiply 2.5 by 72 get 180 in minutes that is 3 hours
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Given
Length of Pieces = 50cm
Number of Pieces = w
Left over = 20cm
Required
Determine the length of the wood
Start by multiplying the number of pieces by the length of each pieces



Lastly, add the leftover to get the actual length of the wood

Substitute 50w for Result and 20 for Leftover

<em>Hence, the length of the wood is 50w + 20</em>
 
        
             
        
        
        
Question #2
Erica will have to work for 14 hours in order to buy her sneakers. 
How to solve:
You subtract $31 from $150 which equals to $119 
You multiply 8.50 (which is the amount of money she gets paid every hour) by the answers they gave you. 
8.50 multiplied by 14 is 199 
Erica had to work 14 hours to make $199 
Your answer is D) 14
        
                    
             
        
        
        
Answer:
you do not have to state explicitly which limit law(s) you are using. 1 - 5n ... Q: 9) n(x) = 2x - 2 g(x)= x2 + 5 Find h(g(1) A) 5 B) 10 C) 21 D) 40.
Step-by-step explanation: