Posted by Karen on Sunday, August 5, 2012 at 3:07pm.
Here's visual way to calculate, which will let you do it mentally:
given cream concentrations
1% ----- 4% ----- 6%
----3%--------2%---- Difference
Then you take 2 parts of 1% and 3 parts of 6% to get 4%.
Related Questions
pharmacy tech. - When using a 1% cream and a 6% cream to produce a 4% cream, how...
pharmacy math - when using a 2 % cream and a 5% cream to produce a 4% cream how ...
pharmacy tech. - When using a 2% cream and a 5% cream to produce a 4% cream how ...
algebra - when using a 1% cream to produce a 4% cream how many parts will be ...
math alligations - you need to prepare 180g of an 5%cream using 30% stock cream ...
pharmacy calculations - you need to prepare 180g of a 5% cream using 30% stock ...
pharmacy calculations - you need to prepare 180g of a 10% cream using 30% stock ...
pharmacy technician - you need to prepare 180g of a 10% cream using 30% stock ...
Algebra 2 - an ice cream store has 31 flavors of ice cream and 10 toppings. A ...
Algebra 2 - An ice-cream parlor sells sundaes with 3 different types of ice-...
For Further Reading