galaxyoutside galaxyoutside

25-09-2015
Mathematics

contestada

6 pastries costs $30. What will 4 pastries cost?

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sertanajla sertanajla

25-09-2015

6 Pastries 30 $

4 Pastries a $ ;

We need to make the right proportions.

4x30=6xa ;

120=6a ;

a=20 :)

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tonia2016 tonia2016

25-09-2015

24 pastries,because I started,by times 6×5 that equal 30 so I backed it up an did 6×4 an that equals 24..

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