Math
posted by Haley .
A biologist has 40% solution and 10% solution of the same plant nutrient. How many cubic centimeters of each should be mixed to obtain 25 cc of 16% solution?

If x cc are 40%, then the rest (25x) is 10%. So, adding up the nutrient content,
.40x + .10(25x) = .16(25)
Respond to this Question
Similar Questions

math
How many cubic centimeters of a 25% antibiotic solution sould be added to 10 cubic centimeters of a 60% antibiotic solution in order to get a 30% antibiotic solution? 
Math
A druggist mixes a 10% solution of iodine with a 15% solution of iodine. How much of each solution should be used in order to obtain 20 cubic centimeters of a 12% solution? 
math
For a certain experiment, a student requires 100 cubic centimeters of a solution that is 8% HCI. The storeroom has only solutions that are 15% HCI and 5% HCI. How many cubic centimeters of each available solution should be mixed to … 
Math
A laboratory has 60 cubic centimeters of a solution that is 40% HCI acid. How many cc of a 15% solution of HCI acid should be mixed with the 60 cc of 40% acid to obtain a solution of 25% HCI? 
math
a chemistry experiment calls for 30% sulfuric acid solution. if the supply room has only 50% and 20% sulfuric acid solution on hand,how much of each should be mixed to obtain 12 litres of 30% solution? 
math
a chemistry experiment calls for 30% sulfuric acid solution. if the supply room has only 50% and 20% sulfuric acid solution on hand,how much of each should be mixed to obtain 12 litres of 30% solution? 
Math Algebra , high school
A biologist has three salt solutions: some 5% solution, some 15% solution, and some 25% solution. She needs to mix some of each to get 50 liters of 20% solution. She wants to us twice as much of the 5% solution as the 15% solution. … 
Math
A 12% solution and a 24% solution are to be mixed to create 80 mL of a 16% solution. How much of each should be used? 
Math
A biologist has a 36% solution and a 14% solution of the same plant nutrient. How many cubic centimeters (cc) of each solution should be mixed to obtain a 25 cc of a 25% solution? 
Pre Calculus
a biologist has three salt solutions: some 5% solution, some 15% solution, and some 25% solution. She needs to mix some of each to get 50 liters of 20% solution. She wants to use twice as much of the 5% solution as the 15% solution. …