Answer :

harpazo
n/5 = 18/30

We can cross-multiply to find n.

5(18) = 30n

90 = 30n

Divide both sides by 30 to find n.

90/30 = 30n/30

3 = n

Done.
vidalmari6p99qfk

n=3


n/5=18/30   This is the same as:

 

6n/30=18/30

eliminate  30 from both sides

6n=18

n=3

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