SOLUTION: A store owner brought 200 pens and sold them for $2.00 each. She made $40 profit after she sold them all. How much did each pen cost?

SOLUTION: A store owner brought 200 pens and sold them for $2.00 each. She made $40 profit after she sold them all. How much did each pen cost?

Algebra.Com

Question 725730: A store owner brought 200 pens and sold them for $2.00 each. She made $40 profit after she sold them all. How much did each pen cost?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
200*2-40=200x
400-40=200x
200x=360
x=360/200
x=$1.80 cost of the pens.
Proof:
200*2-40=200*1.8
400-40=360
360=360
RELATED QUESTIONS
A store brought a $1000 shipment of sweaters and offered them for sale after a $15 markup (answered by stanbon)

1. A shopkeeper buys a certain number of bottles of mayonnaise for R100, she sells all... (answered by ikleyn,MathTherapy)

Paula paid $4 for each stadium cushion. She sold all but 12 of them for $8 each and made... (answered by rfer)

One day, Carol bought apples at 3 for 25� and sold all of them at 2 for 25�. If she made (answered by checkley77)

lizzie bought several apples at 20 cents each, ate 2 of them and sold the rest for 30... (answered by ankor@dixie-net.com)

Please help! If you can show me what I did wrong, that would be helpful, thanks 1.... (answered by solver91311)

A store bought a $1000 shipment of sweaters and offered them for sale after a $15 markup... (answered by stanbon)

Jane brought some muffins for $4. She ate three herself, and resold the rest at a profit... (answered by josmiceli)

Homer bought some CDs for $4 each and sold all but twelve of them for $8. If he made a... (answered by ewatrrr)