Multiple choice

Which of the following expressions is obtained on multiplying 39 with the difference of 20 and 6?

  1. 39 - (20 x 6)

  2. (39 x 20) - 6

  3. 39 x (6 - 20 )

  4. 39 x (20 - 6)

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Since 20 > 6, the difference of 20 and 6 can be represented as (20 - 6). Accordingly, the multiplication of 39 with the difference of 20 and 6 can be represented as 39 x (20 - 6). Thus, the required expression is 39 x (20 - 6). The correct answer is option (4). 

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