800 liters of 79% glycol solution was available. how much pure glycol should be extracted so that the remainder would be only 30% glycol?

Solve: 3x+y=6 4x-2y=18 show all work !

If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b.fitness equipment worth $1,700 c.a holiday package worth $2,000

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