Respuesta :

wegnerkolmp2741o

Answer:

54

Step-by-step explanation:

20 ÷ a + 7 • b

Let a = 4 and b = 7

20 ÷ 4 + 7 • 7

Multiply and divide first

5 + 49

Then add

54

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Answer:

54

Step-by-step explanation:

20 ÷ a + 7 × b

Plug in the values.

20/4 + 7 × 7

Evaluate

5 + 49

54