Answer:
a and b
Step-by-step explanation:
15x-60=120
15x-60-60=120-60
15x=60
15x/15=60/15
x=4
3x=12
3x/3=12/3
x=4
Answer:
2970
Step-by-step explanation:
Answer:
69
Step-by-step explanation:
first 135
second 135 - 20% = 135 - 27 = 108
third 108 - 20% = 108 - 21.6 = 86.4
fourth 86.4 -20% = 86.4 -17.28= 69.12
rounded 69
Flipping a coin should be it