It takes 4 men 14 days to do a certain job. how long should it take 7 men working at the same rate to do the same job?
( explain your answer. i really want to learn and understand it. you.)

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?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2