Respuesta :

Answer:

4.9

Step-by-step explanation:

Use the butterfly method.

13*13 = 8*u

39 = 8u

(divide by 8)

4.875 = u

4.875 is about 4.9

Answer:

4.875

Step-by-step explanation:

1. multiply 13 times 3 and then 8 times u

2. set equal to each other so you get 39=8u

3. divide both sides by 8 to isolate u

4. solve 39/8 which is 4.875

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