Answer:
r = [tex]\frac{5}{8}[/tex]
Step-by-step explanation:
The common ratio r is the ratio between consecutive terms in the sequence.
r = [tex]\frac{480}{768}[/tex] = [tex]\frac{300}{480}[/tex] = [tex]\frac{187.5}{300}[/tex] = [tex]\frac{5}{8}[/tex] = 0.625 ← as a decimal fraction