ZoZeebo3929
ZoZeebo3929 ZoZeebo3929
  • 01-05-2015
  • Mathematics
contestada

Drew bought a chemistry book for $30. Later that book was marked down by 20%. By how much has that value been decreased? Btw please show work.

Respuesta :

bananakickihkim
bananakickihkim bananakickihkim
  • 01-05-2015
Solution:

[tex]30 - (30*0.80) = 30 - 24 = 6[/tex]

or you can do

[tex]30 * 0.20 = 6[/tex]
Answer Link
piyush piyush
  • 01-05-2015
30 over 100 times 20= 6
so it decreased by 6 dollar
Answer Link

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