A tempo is insured to an extent of 5/7 of its original value. If the premium on it at the rate of 3% amounts to $300, The original value of the tempo is?  Answers
A) 12500
B) 13280
C) 17520
D) 14000
E) 12560

Rationale: "let the original value of the tempo is $ x 3 % of 5 / 7 of x = 300 ( 3 / 100 ) * ( 5 / 7 ) x = 300 x = $ 14000 answer is d"
Answer: D