Answer: The cost of each game is $2.50
Step-by-step explanation:
Let's find the equations for each friend:
Friend 1:
Pays $3 for the shoes, and plays 3 games, then if X is the cost of each game, Friend 1 pays a total of:
$3 + 3*X
Friend 2:
This friend buys a soda for $0.50, and he plays 4 games, remember that the cost of each game was X. then this friend pays:
$0.50 + 4*X
And we know that both friends pay the exact same amount, then we can write:
$3 + 3*X = $0.50 + 4*X
And solve this for X.
We need to isolate X, then we can move all the terms with X to the right, and all the terms without X to the left:
$3 - $0.50 = 4*X - 3*X
$2.50 = (4 - 3)*X = X
This means the cost of each game is $2.50
 
        
             
        
        
        
Answer:
c = 8.14 million×(0.9166)^t
4.83 million  
Step-by-step explanation:
Data:
   t = y - 2007
c₀ = 8.14 million
c₃  = 23 % less than c₁
Part 1. Calculate c₃
c₃ = c₀(1 - 0.23) = 0.77c₀
Part 2. Calculate r
       c₃ = c₀r^t
0.77c₀ = c₀r³
    0.77 = r³              Divided each side by c₀
          r = 0.9166     Took the cube root of each side
The explicit decay model is c = 8.14 million×(0.9166)^t
Part 3. Prediction
t = 2013 - 2007 = 6
c = c₀r^t = 8.14 million×(0.9166)⁶ = 8.14 million × 0.5929 = 4.83 million
The model predicts that there will be 4.83 million cars for sale in 2013.
 
        
             
        
        
        
Answer:
(-4,-18)
Step-by-step explanation:
go to math(way).com to find the answer
 
        
             
        
        
        
Answer:add then divide
Step-by-step explanation:
 
        
             
        
        
        
Answer:
125
Step-by-step explanation:
1875 / 15 = 125
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-Chetan K