Before you post any more problems, please study these sites carefully.
http://www.purplemath.com/modules/systlin4.htm
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Then, make an attempt to answer the many problems you've posted this evening.
solve using the elimination method
0.05x+0.25y=11
0.15x+0.05y=12
3 answers
Thank you this is what I was looking for just something to refer too!
You're very welcome.