72: 36 =2: 1 ratio =2
Two fifths: 9=2:45 ratio =2/45
Thirty-five Secondary Eight: Twenty Secondary Ten = 12:25 Ratio = 12/25.
0.25:50= 1:200 ratio = 1/200
Solution ratio
X: three quarters = 12: one eighth.
x=( 12*3/4)/( 1/8)
=72
One quarter: x= two thirds: one sixth.
x=( 1/4* 1/6)/(2/3)
= 1/ 16
A few days ago, the teacher was lucky enough to participate in the learning activities of Zhenze Middle School in Wujiang City, Suzhou.