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Linear Algebra
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OpenStudy (anonymous):
Eileen saves dimes and quarters. She has 40 coins which totals $6.55, how many of each coins does she has? (has to be a linear equation)
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OpenStudy (anonymous):
(0.10)*(#dimes)+(0.25)*(#quarters)=6.55............................(eqn 1) (#dimes)+(#quarters)=40.....................................................(eqn 2)
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