A worker union contract specifies a 6 percent salary increase plus a Tk 450 bonus foro each worker. For a worker this is equivalent to 8 percent salary increase,. What was this worker's salary before the new contract

Correct Answer: Tk. 22500
ধরি, পূর্বে salary ছিল x টাকা ∴x×6% + 450 = x×8% ⇒6x100 + 450 = 8x100 ⇒6x + 45000100 = 8x100 ⇒ 6x + 45000 = 8x ⇒ 2x = 45000 ∴ x = 22500