instruction:
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.
question:
Question: The amount of an investment will double in approximately 70/ p years, where p is the percent interest, compounded annually. If Thelma invests $ 60,000 in a long-term CD that pays 5 percent interest, compounded annually, what will be the approximate total value of the investment when Thelma is ready to retire 42 years later?

 Option A: $ 280,000

 Option B: $ 320,000

 Option C: $ 360,000

 Option D: $ 480,000

 Option E: $ 540,000
answer:
Option D


question:
Question: A certain car's price decreased by 2.5% (from the original price) each year from 1996 to 2002, during that time the owner of the car invested in a new carburetor and a new audio system for the car, which increased car's price by $2,000. If the price of the car in 1996 was $22,000, what is the car's price in 2002?

 Option A: $18,400

 Option B: $19,500

 Option C: $20,200

 Option D: $20,700

 Option E: $21,100
answer:
Option D


question:
Question: The average (arithmetic man) of three integers a, b, and c is exactly half the median. If a < b < c and a = 0, what is the value of c/b?

 Option A: 2

 Option B: 3/2

 Option C: 4

 Option D: 5

 Option E: Cannot be determined from the information given.
answer:

Option B