SOLUTION: Pen and pencils. a bookstore manager plans to spend $60 on pens at 30 cents each and pencils at 10 cents each. The equation 0.10x+0.30y=60 can be used to model this situation.

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Question 118011: Pen and pencils.
a bookstore manager plans to spend $60 on pens at 30 cents each and pencils at 10 cents each. The equation 0.10x+0.30y=60 can be used to model this situation.
a) who x and y represent?
b) graph the equation.
c) write the equation in slope-intercept form.
d) what is the slope of the line?
e) what does the slope tell you?
the answer i got was
a) x= # of pencils y= # of pens
this is what I got so far

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!
The equation
pens at cents = > $
pencils at cents = > $
a) represents pencils and represents pens
b) graph the equation.


Solved by pluggable solver: PLOT a graph of a function
Plotting a graph:

This solver uses formula rendering system and here's the actual formula that was plotted:

graph( 600, 400, -100, 300, -6, 250, -(0.33)x+200 )




c) write the equation in slope-intercept form.
….move to the right
…..divide both sides by



………………..the form

d) the slope of the line is
e) the slope tell you the of a line, or slope is also defined as
;
if the line, or goes uphill, the line has ;
lines have;
lines have (or undefined);
if the line (downhill) the is


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