A pharmacist has 80 milliliters of a 25% saline solution. Which expression can be used to find the percentage concentration of the
final solution if she adds x milliliters of a 10% saline solution?
025(80)+0.17
0.25(80)+0.1X 100
y=
0.25(80)+0.1100
y= 80.0.1%
y 0 25/00) + 0.IX 100
0.25(80)+0.12

The monthly texting plan of all star cell is $11 per month and $0.25 per text. the monthly texting plan of top line cell is $14 per month and $0.15 per text. a student wants to set up a system of equations to find the number of texts for which the total monthly cost of the two companies is the same. he uses the variables x and y. he lets y represent the total monthly cost. what will x represent? x = number of texts x = cost of the total number of texts x = total monthly cost x = cost of each text