natalia56
natalia56 natalia56
  • 13-04-2018
  • Mathematics
contestada

write as a proportion 2 is to 5 as 18 is to x

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MisterEdgelord
MisterEdgelord MisterEdgelord
  • 13-04-2018
2 is to 5 as 18 is to x
18 is 2 x 9
5 x 9 = 45
18:45.
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altavistard
altavistard altavistard
  • 13-04-2018
I'd present the problem as an equation of ratios:

 2      18
--- = ----
 5       x

Then 2x = 90, and x = 45.
Answer Link

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