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oksano4ka [1.4K]
3 years ago
11

Find Z for the following proportion

Mathematics
2 answers:
krek1111 [17]3 years ago
7 0
This is the simplest proportion i have seen.
This is how we do it:
\frac{z}{7} = \frac{1}{7}
The answer surprisingly is obvious, z = 1
But we can still do cross multiplication

7z = 7
Divide by 7 to isolate z

\frac{7z}{7} =  \frac{7}{7}
7 and 7 cancels out
z = 1
Andrei [34K]3 years ago
4 0
Please see the pic, I'd solved in it.

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