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14-05-2020
Mathematics

contestada

Solve the proportion.
3x / 10 = 9 / 4

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

14-05-2020

Answer:

x =7.5

Step-by-step explanation:

We can use cross products to solve

3x / 10 = 9 / 4

3x*4 = 10*9

12x = 90

Divide each side by 12

12x/12 = 90/12

x =7.5

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