You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

[EX Q]: Question: A man has $480 in the denominations of one-Dollar, five-Dollar notes and ten-Dollar. The number of Dollars of each denomination is equal. What is the total number of Dollar that he has ?

 Option A: 50

 Option B: 60

 Option C: 90

 Option D: 48

 Option E: 67
[EX A]: Option C

[EX Q]: Question: .002/?= .01

 Option A: .2

 Option B: .09

 Option C: .009

 Option D: .0009

 Option E: None of them
[EX A]: Option A

[EX Q]: Question: Robert ate 13 chocolates, Nickel ate 4 chocolates. How many more chocolates did Robert ate than nickel?

 Option A: A

 Option B: B

 Option C: C

 Option D: D

 Option E: E
[EX A]:
Option C