Office Mac purchases packs of pencils from the Manufacturer for $2.00 and applies a mark-up of 40%. How much do they actually sell the pencils for? a. $2.00

b. $0.80

c. $2.80

d. $1.20

the answer is b

Step-by-step explanation:

because

mark-up=    profit    

                cost * 100%

making it:

40% =      0.80    

           2.00 * 100%

the system of inequalities is

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

the equation of the dashed line is

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

therefore

the equation of the inequality a is

step 2

find the equation of the solid line

we have the points

(4,0) and (0,4)

find the slope

the equation of the solid line is

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

therefore

the equation of the inequality b is

step 3

the system of inequalities is

step-by-step explanation:

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