One-third less than 35% of 180 is equal to:
Select the correct option
A) 15  B) 30  C) 35  D) 42  E) 45

Rationale: lots of ways to tackle this . 35 % of 180 = 63 1 / 3 of 63 = 21 so , 1 / 3 less than 63 is equal to 63 - 21 = 42 answer : d
Answer: D