Christa bought a total of 12 lb of flounder and shrimp and paid $14 for the flounder and $14 for the shrimp. If the price per pound of the shrimp is twice that of the flounder, how many pounds of each did she buy?

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places