Which of the following interchanges of signs would make the given equation correct?
100 +100 × 50 - 2 ÷ 3 = 51
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. + and ÷.
Following formula will be applied to solve the equation:
| B | BRACKET |
| O | OF |
| D | DIVISION |
| M | MULTIPLICATION |
| A | ADDITION |
| S | SUBTRACTION |
Given: 100 + 100 × 50 - 2 ÷ 3 = 51
Option 1: Interchanging + and ÷
The equation become:
= 100 ÷ 100 × 50 - 2 + 3 = 51
= 1 × 50 - 2 + 3
= 53 - 2 = 51
Hence, + and ÷ is the correct answer.