You do 28-12 to find out how much girls there are then you get 16 and you have the ratio of 12/16 then divide by 4. Then you get 3/4 boys to girls
21 km because 12 km + (3/4 of 12) 9 km = 21 km
None of these are correct, if it is asking for a number (x) divided by 45 the correct answer would be x/45
Answer:
You would have to add the options.
Step-by-step explanation: