Question

what is the pattern? 1/80,1/40,1/20,1/10.

Answer 1

More like multiply by 2.

Answer 2

10*2=20 and 20*2=40 and 40*2=80
Multiply by 2

Answer 3

\[\frac{ 1 }{ 80 }\times2=\frac{ 2 }{80 } or \frac{ 1 }{ 40}\]
\[\frac{ 1 }{ 40 }\times2=\frac{ 2 }{ 40} or \frac{ 1 }{ 20}\]

Answer 4

x2