A chemist has one solution that is 5% acid and a second that is 2% acid. How many gallons of each should be mixed together to get 16 gallons of a solution that is 3.25% acid? Define the variables Write a system of equations to determine how much should be used to form 16 gal of a 3.25% acid solution? Equation 1 Equation 2

answer: 0.26

i used the calculator on google

change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock