SOLUTION: Fred needs 45 ml of 21% sucrose solution to do his science experiment. He needs to mix a 15% sucrose solution with some 40% sucrose solution to get the 21% solution he wants. How m

Question 1018012: Fred needs 45 ml of 21% sucrose solution to do his science experiment. He needs to mix a 15% sucrose solution with some 40% sucrose solution to get the 21% solution he wants. How much of each should Fred use? (Include units with your numerical answers.)
Fred should use

Answer by josgarithmetic(39625) (Show Source): You can put this solution on YOUR website!

See the lesson, Solve both quantities for two-part mixture, two variables.

You can also solve the problem using just one variable.
RELATED QUESTIONS
Fred needs 45 ml of 21% sucrose solution to do his science experiment. He needs to mix a... (answered by josgarithmetic)

Fred needs 45 ml of 18% sucrose solution to do his science experiment. He needs to mix a... (answered by josgarithmetic)

Fred needs 45 ml of 18% sucrose solution to do his science experiment. He needs to mix a... (answered by Alan3354)

Fred needs 45 ml of 18% sucrose solution to do his science experiment. He needs to mix a (answered by Alan3354,ikleyn)

Fred needs 50 ml of 15% sucrose solution to do his science experiment. He needs to mix a (answered by josgarithmetic)

red needs 50 ml of 17% sucrose solution to do his science experiment. He needs to mix a... (answered by josgarithmetic)

Fred needs 45 ml of 8% sucrose solution to do his science experiment. He needs to mix a... (answered by stanbon)

Fred needs 45 ml of 8% sucrose solution to do his science experiment. He needs to mix a... (answered by lwsshak3)

Fred needs 45 ml of 18% sucrose solution to do his science experiment. He needs to mix a... (answered by josgarithmetic)