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OpenStudy (anonymous):
Ralph is 3 times as old as Sara. In 6 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now.
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OpenStudy (anonymous):
6 12 18 24
OpenStudy (anonymous):
3r=s 6+2r=s r=6, s=18
OpenStudy (anonymous):
where r=ralph and s= sarah
OpenStudy (anonymous):
The slope of a line is -1/3 . Find the slope of a line that is perpendicular to this line.
OpenStudy (anonymous):
-3 3 1/3
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OpenStudy (anonymous):
you need to find the inverse so (-1/3)x=1, x=-3
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