Answer:
B
Step-by-step explanation:
Answer:
If 3 students walked, then according to the given ratios, 18 students would have taken the bus.
Step-by-step explanation:
Given: 3 Walkers
1:2 --> 3:6 walkers to subway
1:3 --> 6:18 subway to bus riders
Think...... what is 7 and 21 both divisible by?
COUGH they're both divisible by 7.... so divide both numbers by 7, and stick them in they're rightful places
