Still have math questions?

Ask our expert tutors
Algebra
Question

A lab assistant needs to create a \( 350 mL \) mix...

A lab assistant needs to create a \( 350 mL \) mixture that is \( 3.5 \% \) hydrochloric acid. The assistant has solutions of \( 2 \% \) and \( 4.5 \% \) in supply at the lab. Using the variables \( x \) an \( y \) to represent the number of milliliters of the \( 2 \% \) solution and the number of milliliter of the \( 4.5 \% \) solution respectively, determine a system of equation that describes the situation. 

Enter the equations below separated by a comma. 

How many milliliters of the \( 2 \% \) solution should be used? 

x=

How many milliliters of the \( 4.5 \% \) solution should be used? 

\( y = \) 

Answer

X+Y=350

2X+4.5Y=1225

X=140

Y=210

Solution
View full explanation on CameraMath App.