Simplify the following expression. 120 ÷ 15 of 4 + [ 11 × 4 ÷ 4 of { 4 × 2 - (…
2023
Simplify the following expression.
120 ÷ 15 of 4 + [ 11 × 4 ÷ 4 of { 4 × 2 - ( 8 - 11 ) } ]
- A.
120/61
- B.
61/120
- C.
3
- D.
-3
Attempted by 17 students.
Show answer & explanation
Correct answer: C
Use the standard precedence where 'of' is evaluated before division.
120 / (15 of 4) = 120 / 60 = 2.
Inside the bracket, {4 x 2 - (8 - 11)} = 8 - (-3) = 11, so 11 x 4 / (4 of 11) = 44 / 44 = 1.
Total = 2 + 1 = 3.