1. 23% decrease b=
A)0.77
B)0.23
C) 1.23


2. 8% increase b=
A)0.8
B)1.08
C) 0.92

3. 15% decrease b=
A) 0.85
B)0.15
C)1.15
4. 120% increase b=
A) 1.2
B) 0.2
C) 2.2