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September 20, 2014

September 20, 2014

Posted by **allen** on Friday, February 25, 2011 at 7:36pm.

- math -
**Ms. Sue**, Friday, February 25, 2011 at 7:38pmWhat are your choices?

What do you think the answer is?

- math -
**allen**, Friday, February 25, 2011 at 7:41pma. 5/12=1.25/x

b. 5/12=x/1.25

c. 5/x=12/1.25

d. x/5=12/1.25

- math -
**allen**, Friday, February 25, 2011 at 7:42pmI say its c

- math -
**Damon**, Friday, February 25, 2011 at 7:51pm5 pens / 12 pens = 1.25 dollars/x dollars

It helps to write the units, pens and dollars.

so

I claim a is correct

although I myself would have written the same thing as

5 pens/1.25 dollars = 12 pens/x dollars

which comes out the same

- math -
**Anonymous**, Friday, February 25, 2011 at 11:11pm5 pens cost 1.25$

1.25/5=0.25$ Price of one pen

12*0.25=3$ Price of 12 pens

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