The ratio of two numbers is 3:4 and their sum is 21. The greater of the two numbers is? Choose the correct choice from the following answers
A) 12	B) 14	C) 16	D) 17	E) 19

Rationale: 3 : 4 total parts = 7 = 7 parts - - > 21 ( 7 ã — 3 = 21 ) = 1 part - - - - > 3 ( 1 ã — 3 = 4 ) = the greater of the two number is = 4 = 4 parts - - - - > 12 ( 4 ã — 3 = 12 ) a
Answer: A