All you have to do is subtract the biggest numbers i the problems.
6 boys, ratio is boy:girl 2:3
Answer:
9
Step-by-step explanation:
54+81=9(6+9)
9 times 9 equals 81
Answer:
360
Step-by-step explanation:
The exterior angles always add up to 360 in a polygon because it's the sum of all the vertexes which would make a circle.