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11-10-2020
Mathematics

contestada

:14=15:21lololololol i have to put 20 characters lolol

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

11-10-2020

Answer:

10

Step-by-step explanation:

x:14=15:21

14/21 = 2/3

Multiply each term by 2/3

15 *2/3 :21*2/3

10:14

The missing number is 10

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