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

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

13-04-2018

I'd present the problem as an equation of ratios:

2 18
--- = ----
5 x

Then 2x = 90, and x = 45.

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