When a number is added to another number the total becomes 33 1⁄3 per cent of the second number. What is the ratio between the first and the second number? Pick:	A) 3 : 7	B) 7 : 4	C) 7 : 3	D) Data inadequate	E) None of these
Let the first and second numbers be x and y respectively.   Then, x + y = 10⁄3y   or, x = 7⁄3y   ∴ x : y = 7 : 3   Answer 7 : 3
<result>C</result>
When a number is added to another number the total becomes 33 1⁄3 per cent of the second number. What is the ratio between the first and the second number?