146 students.... 84 boys. Meaning there are 84 boys and 62 girls. (146-84=62) 84 divided by 62 is 1.355. Meaning 1.355 boys to every 1 girl.
230-84 = 146
63:8463:8463:8463:84
35/84 = 5/12
1 to 2
21 : 25
It is: 1 to 6
70 to 14
84 : 104 = 21 : 26 (simplifying by dividing both sides of the ration by the hcf(84, 104) = 4)
1 to 12
2 to 3
84:62 ---> divide by 2 (since that is common denominator)42:31