Answer:
10
Step-by-step explanation:
Rewrite ratio as fraction
7 : n = 14 : 20
[tex] \frac{7}{n} = \frac{14}{20} [/tex]
Cross multiply
14n = (7)(20)
14n = 140
Divide both sides by 14.
[tex] \frac{14n}{14} = \frac{140}{14} [/tex]
n = 10
