khgygoya khgygoya
  • 25-10-2020
  • Mathematics
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PLEASE HELP find the blank.

PLEASE HELP find the blank class=
Relax

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 25-10-2020

Answer:

4

Step-by-step explanation:

We can use cross products

x          11

----- = -------

20        55

Simplify the right side

x          1

----- = -------

20        5

5x = 1*20

5x= 20

Divide by 5

5x/5 = 20/5

x=4

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