galaxyoutside galaxyoutside
  • 25-09-2015
  • Mathematics
contestada

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

Respuesta :

sertanajla
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 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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