Evaluate 3 × [20 - (4 + 2) × 2].

Simplification & Approximation · Question 8 of 71

Question 8

EasyOriginal question

Evaluate $3 \times [20 - (4 + 2) \times 2]$ .

24Correct answerYour answer48Correct answerYour answer60Correct answerYour answer84Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

Innermost bracket: $4 + 2 = 6$ .
Inside the square bracket, multiply before subtracting: $20 - 6 \times 2 = 20 - 12 = 8$ .
Finally $3 \times 8 = 24$ .

Worth noting

Doing $20 - 6$ first gives $14 \times 2 = 28$ inside the bracket and 84 overall.

Ten questions from Simplification & Approximation, at your own pace.

Ten questions from Simplification & Approximation, at your own pace.