Question

If a = 4 and b = 7, what is the value of the following expression? 20 ÷ a + 7 • b A. 28 B. 84 C. 54 D. 33

Answer 1

54

Explanation:

20 ÷ a + 7 × b

Plug in the values.

20/4 + 7 × 7

Evaluate

5 + 49

54

Answer 2

54

Explanation:

20 ÷ a + 7 • b

Let a = 4 and b = 7

20 ÷ 4 + 7 • 7

Multiply and divide first

5 + 49

Then add

54