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April 21, 2014

April 21, 2014

Posted by **lizzie** on Monday, August 8, 2011 at 11:22pm.

A store owner bought a machine that laminates cards. the machine cost $1000. Each laminated item costs the owner $.50, but he charges the customers $4.00 per item. how many cards must be laminated and sold before the owner makes a profit from the machine?

a. 133

b. 223

c. 285

d. 286

Answer- b

- Algebra -
**Andy**, Monday, August 8, 2011 at 11:25pmI got d

- Algebra -
**lizzie**, Monday, August 8, 2011 at 11:26pmHow?

- Algebra -
**Ms. Sue**, Monday, August 8, 2011 at 11:28pm3.5x = 1000

x = 1000/3.5

x = ?

- Algebra -
**Andy**, Monday, August 8, 2011 at 11:30pmwell .50 cents is how much it costs the owner. So that deducted from the 4 dollars leaving 3 dollars and 50 cents. I did 1000 dollars divided by the 3.50 cents and got 285.7. I rounded up which equal 286. How did you get your answer?

- Algebra -
**lizzie**, Monday, August 8, 2011 at 11:37pmOh, I didn't subtract the .50 I added it. I see what I did. Thanks!

- Algebra -
**Writeacher**, Tuesday, August 9, 2011 at 7:42amI hope Andy gets his decimals/cents straight!

.50 cents = half a cent

3.50 cents = three and a half cents

I think he means dollars -- he should drop the decimal points.

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