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abruzzese [7]
3 years ago
7

10/n = 18/27 what is n?

Mathematics
2 answers:
blsea [12.9K]3 years ago
7 0
Well, to understand what "n" is, we have to understand the relation between 18 and 27.
If we divide by 9, we'll notice that 18/27 simplifies to 2/3.
So, let's apply this to 10/n
10 over n must be the same ratio of 2/3.
10/2 is 5.
5*3 = 15.
n = 15.
Alternatively, cross multiply and solve.
10/n = 18/27
n will multiply with 18, 10 with 27.
18n = 270
/18     /18
n = 15
sergiy2304 [10]3 years ago
3 0
N = 10*27 / 87 =  270/18 = 15

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