there are four kinds of road signs in a certain town. the number of each kind is shown. what is the ratio of the number of school signs to the number of stop signs?
stop signs-10 railroad signs- 3
yield signs-2 school signs-9

1. 9 to 10
2 10:9
3 10 over 24
4 9:24

Question

there are four kinds of road signs in a certain town. the number of each kind is shown. what is the ratio of the number of school signs to the number of stop signs?
stop signs-10  railroad signs- 3 
yield signs-2  school signs-9

1. 9 to 10
2 10:9
3 10 over 24
4 9:24

phi · Answer

what is the ratio of the number of school signs to the number of stop signs?

ratio is written as first number divided by the second number,
OR
first number : second number
OR
first number TO second number

in your problem, the first number is the number of school signs
the second number is the number of stop signs