Alex wrote the equ
ation c = 2n. describe a situation that this eq
uation could represent.

Ann has 20$ . She bought 2 notebooks. How much does they costed ? 
2x=20
x= 20/2
x=10

If someone were to need more than one notebook, and each cost $2, you could use the equation c = 2n to find the total cost, c, of the notebooks, n. 2  multiplied by the number of notebooks would give you your total cost.

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