Posted by **Anonymous** on Thursday, January 31, 2013 at 2:13am.

A pharmacist mixes 14 ounces of 68% saline solution with 55% saline solution. If the final mixture is 62% saline, how many ounces of the 55% solution were used?

- math -
**Reiny**, Thursday, January 31, 2013 at 9:10am
let amount of 55% solution be x ounces

then amount of 68% solution is 14-x

solve for x:

.55x + .68(14-x) = .62(14)

multiply by 100

55x+ 68(14-x) = 62(14)

take over....

- math -
**Anonymous**, Sunday, August 23, 2015 at 12:40am
55x+68(14-x)=62(14)

55x+143-68x=868

55x-68x=725

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