medals for anyone who answers!!!!!!help!!!! please!!!
a family of 3 children and 2 adults visited a health club. the club charges $y an hour for each child and $x an hour for each adult. if the family does not want to spend more than $30 an hour at the health club, which of the following graphs best models the situation?
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OpenStudy (anonymous):
a
OpenStudy (anonymous):
b
OpenStudy (anonymous):
c
OpenStudy (anonymous):
d
OpenStudy (anonymous):
any idea of the answer?
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OpenStudy (anonymous):
mysolution crashed.
OpenStudy (anonymous):
\[3y+2x \le30 ....(1)\]
OpenStudy (anonymous):
consider 3y+2x=30
when y=0,x=15
when x=0,y=10
put x=0,y=0 in (1)
\[0+0\le30,~or~0\le30,which~ is~ true.Hence~ shaded~ region is~ required~ graph.\]
|dw:1389664320686:dw|
OpenStudy (anonymous):
can you help on my new question?
OpenStudy (anonymous):
i am leaving now for some time ,but still you can post your problem.
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OpenStudy (anonymous):
which of the following inequalities is graphed?
a.)-8x+3y<1
b.)-8x+3y>-1
c.)-8x+3y<-1
d.)-8x+3y<-1