A chemist has 500 millimeters of a solution that is 1/2 alcohol . he needs a solution that is 60% alcohol. How many milliters of alcohol should he add?

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take