Mathematics, 03.08.2019 03:30 webbjalia04

Suppose a band at another school sells eraser for $2 per package. the band sells 220 package in all and earns a total of $695. write a system of equation to find the number of each type of package sold.

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X= # of eraser packages = 135
y= # of pencil packages = 85

cost = 2x + 5y = 695
# of items = x+y= 220
   2x+5y=695
-2x -2y=-440
3y   255
   =    y=85 x+(85) / 220
3 3
-85 -85

x=135
2(135) + 5 (85) ?695
270+425?695
695+695

Answer from: Quest

the system of inequalities is

$y> (1/3)x$

$y\leq-x+4$

step-by-step explanation:

step 1

find the equation of the dashed line

we have the points

(0,0) and (3,1)

the line passes through the origin, so, is a direct variation

find the slope

$m=y/x=1/3$

the equation of the dashed line is

$y=(1/3)x$

the solution of the inequality a s the shaded area above the dashed line

therefore

the equation of the inequality a is

$y> (1/3)x$

step 2

find the equation of the solid line

we have the points

(4,0) and (0,4)

find the slope

$m=(4-0)/(0-4)=-1$

the equation of the solid line is

$y=-x+4$

the solution of the inequality b s the shaded area below the solid line

therefore

the equation of the inequality b is

$y\leq-x+4$

step 3

the system of inequalities is

$y> (1/3)x$

$y\leq-x+4$

Answer from: Quest

so what is the problem what are they asking you to solve

step-by-step explanation:

so what is the problem what are they asking you to solve

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Suppose a band at another school sells eraser for $2 per package. the band sells 220 package in all...

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