After interchanging + & × and 3 & 9, which of the following equations will…
2025
After interchanging + & × and 3 & 9, which of the following equations will hold true?
- A.
(3+5)×9=48
- B.
(9+2)×3=10
- C.
(3+7)×9=60
- D.
(9+1)×3=15
Attempted by 20 students.
Show answer & explanation
Correct answer: A
Apply both interchanges to option (3 + 5) x 9 = 48: 3 and 9 swap, and + and x swap, giving (9 x 5) + 3 = 48. This is true.