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AVprozaik [17]
4 years ago
5

K/2 + 9 = 30 What is k

Mathematics
1 answer:
Tcecarenko [31]4 years ago
4 0
K/2+9=30                         1. Start by getting rid of the number farthest from K
      -9   -9                          2. The nines cancel out, 30-9=21
K/2    = 21                         3. Next, get the 2 away from K 
/-2         /-2                        4. The 2 cancel out when divided, 21 divided by -2= -10.5  
K       = -10.5 
   K=-10.5
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Step-by-step explanation:

Data

Total amount of cupcakes = 50

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Process

1.- Calculate the amount of pounds needed

                  2 cups ------------------ 1 pound

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                  x = (3.5 x 1) / 2

                  x = 3.5 / 2

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2.- Calculate the price of 1.75 pounds

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                  1.75 pounds ----------    x

                  x = (1.75 x 3.69)/5

                  x = 6.46/5

                 x = $1.29

3.- Conclusion

The cost of sugar to prepare 50 cupcakes is $1.29

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