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Yolan buys 8 pens and receives 80 cents change from $20.00. How much does a pen cost, assuming each pen costs the same amount? btw ik Yolan is getting ripped off

 Aug 6, 2015

Best Answer 

 #1
avatar+59 
+10

Subtract the change from $20.

 

$20-0.80=$19.20.

 

Divide $19.20 by the amount of pens Yolan bought. 

 

$${\frac{{\mathtt{1\,920}}}{{\mathtt{8}}}} = {\mathtt{240}}$$ 

Move the decimal one point, resulting in 2.40

Each pen cost Yolan $2.40 

 Aug 6, 2015
 #1
avatar+59 
+10
Best Answer

Subtract the change from $20.

 

$20-0.80=$19.20.

 

Divide $19.20 by the amount of pens Yolan bought. 

 

$${\frac{{\mathtt{1\,920}}}{{\mathtt{8}}}} = {\mathtt{240}}$$ 

Move the decimal one point, resulting in 2.40

Each pen cost Yolan $2.40 

rubenhh Aug 6, 2015
 #2
avatar+118608 
+5

Good work Rubenhh   

 

And welcome to the forum :))

 Aug 6, 2015

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