Answer:
3:1
(3 for 1.5 inches)
(1 for 2.5 inches)
the answer is D
Step-by-step explanation:
5.5
1+1+1 3/4+1 3/4= 5.5
5.5*2=11
11/2=5.5
She would need at least 11 buses leaving 17 spare seats.
171+22+13= 206
206/20= 10.3
10.3 = 11