Question

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

Answer 1

0.25 and y=80.01%. And the rest are wrong.