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Mathematics 13 Online
OpenStudy (gelow):

A bag contains 8 black pens and 6 blue pens. What is the ratio, written in lowest terms, of black pens to the total number of pens in the bag?

OpenStudy (anonymous):

# of black pens/# of black pens+# of blue pens then reduce

OpenStudy (gelow):

is it 7

OpenStudy (gelow):

but it is sopsed to be in a fraction

OpenStudy (gelow):

@Skip2mylou426

OpenStudy (gelow):

or is it 3/5

OpenStudy (anonymous):

the answer will be a fraction, but is not 3/5

OpenStudy (anonymous):

so what is the number of black pens?

OpenStudy (gelow):

8 @Skip2mylou426

OpenStudy (anonymous):

ok, now add the number of black pens and blue pens

OpenStudy (gelow):

14

OpenStudy (gelow):

so 8/14 @Skip2mylou426

OpenStudy (anonymous):

almost there! what can both 8 and 14 be divided by?

OpenStudy (gelow):

2

OpenStudy (anonymous):

ok. So now divide both the numerator and denominator by 2, and you will have your fraction in lowest terms!

OpenStudy (gelow):

4/7

OpenStudy (anonymous):

perfect! :)

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