by how much is 3 - fifth of 390 greater than 4 - seventh of 210 ? Choose the correct choice from the following answers
A) 90	B) 100	C) 110	D) 114	E) 130

Rationale: explanation : 3 / 5 of 390 - 4 / 7 of 210 = 234 - 120 = 114 . answer : d
Answer: D