Find the value of ‘x’ such that: (40% of x – 12% of 2x = 15% of 80% of x + 51.4)
1). 1225
2). 1285
3). 1345
4). 1395
⇒ 40% of x – 12% of 2x = 15% of 80% of x + 51.4
⇒ 0.4x – 0.12 × 2x = 0.15 × 0.8x + 51.4
⇒ 0.4x – 0.24x = 0.12x + 51.4
⇒ 0.04x = 51.4
⇒ x = 51.4/0.04
∴ x = 1285