<PRE><B>Question 823276</B>
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n0.15 = 45
n = 45/0.15
n = 300
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Solve and graph linear equations:
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Solve quadratic equations, quadratic formula:
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Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php</PRE>