A box-and-whisker plot. The number line goes from 10 to 65. The whiskers range from 20 to 60, and the box ranges from 40 to 50. A line divides the box at 45.
What percentage of data points do the two whiskers contain?
A 25%
B 30%
C 50%
D 75%

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?