ravensolarovgmtv
ravensolarovgmtv ravensolarovgmtv
  • 23-02-2018
  • Mathematics
contestada

solve this proportion please and thank you.

solve this proportion please and thank you class=

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ReaderGirl
ReaderGirl ReaderGirl
  • 23-02-2018
2a         5
8          10

2a        40
1          10

20a      40

a          2
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