Expanding the walls of our classroom. This is an interactive learning ecology for students and parents in our Algebra 2 class. This ongoing dialogue is as rich as YOU make it. Visit often and post your comments freely.
2.3 51 12 Leters of a 12% solution must be mixed with a 20% solution to get a 14% solution. How much of the 20% solution should be added? Amount % 12 .12 x .20 12+x .14 12(.12)+x(.20)=.14(12+x) 1.44+.2x=1.68+.14x .06x=.24 x=4 Add 4 leters of the soluton.
2.3
ReplyDelete51
12 Leters of a 12% solution must be mixed with a 20% solution to get a 14% solution. How much of the 20% solution should be added?
Amount %
12 .12
x .20
12+x .14
12(.12)+x(.20)=.14(12+x)
1.44+.2x=1.68+.14x
.06x=.24
x=4
Add 4 leters of the soluton.
Does that help?
ReplyDeletehttp://www.onlinemathlearning.com/mixture-problems.html
ReplyDeleteI just found this, it might help.
Amelia... I am a little confused with your first comment.
ReplyDelete