Answer:
5 : 8
Step-by-step explanation:
20 : 32
divide both ratios by 4
5 : 8
Answer:
22.5 degrees
Step-by-step explanation:
We know that this full angle measures 90 degrees
and in the problem, it says that CBD is 1/4 of the full thing
so we can do
90/4=22.5
Step-by-step explanation:

Hope it will help :)
Answer:
D
Step-by-step explanation:
First we need to figure out how many people are going on the field trip
if each class has 27 people going and there are 6 classes, 6*27=162
162 ppl are going. If 3 buses can hold 48 ppl then 3*48=144
3 buses are not enough, if we were to bring in one more bus 4*48=192
there would be enough place for everyone