Answer:
The answer is B. 50
Step-by-step explanation:
180-105=75
75+55=130
180-130=50
17.
one dash is equal to 2. so just go by twos
3/4 =3/4
4/6= 2/3
8/18= 4/9
9/15=3/5
7/21= 1/3
10/12= 5/6
4/8= 1/2
10/16=5/8
15/20= 3/4
3/30=1/10
