Respuesta :

Answer:

10

Step-by-step explanation:

50 plus 10 windows by 2 dollars will give you 70 dollars.

20 plus 10 Windows by 5 dollars give you 70 dollars

d6hlia
answer: 10 windows

explanation: write and solve an equation.
50 + 2x = 20 + 5x
30 = 3x
10 = x
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