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isabellaharrison
isabellaharrison isabellaharrison
  • 19-01-2017
  • Mathematics
Answered

How do you tell whether the ratios form a proportion

Verified Answer :

Layne2000
Layne2000 Layne2000
  • 19-01-2017

Set them up like this example:

4             8
_     =      _

6            12

cross multiply by multiplying 4 by 12 and 6 by 8.
If they are equal then it is proportional.

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