Question

How do you solve `10/12=2/n`?

Answer 1

`color(green)(n = 12/5`

Explanation:

Cross multiply (`a/b=c/d` = `ad = bc`)

`10/12 = 2/n`

`10n = 24`

Now isolate the variable and identify `n`

`(cancel(10)n)/(cancel(10)) = 24/10`

`n = 24/10`

Simplify the fraction

`color(green)(n = 12/5`