Find k: 45% of 880 - k% of 450 = 61.2 % of 500
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 20.
45% of 880 - k% of 450 = 61.2% of 500
⇒ 366 - k% of 450 = 61.2 × 5
⇒ 366 - 306 = k% of 450
⇒ 90 = k% of 450
⇒ k = 20