Answer:
179, 180, 181
Step-by-step explanation:
a +a +1 +a +2 =540
3a +3 =540
3a =540 - 3
3a=537
a=537 :3
a=179 (the first number
b=179 +1 =180 (the second number
c=179 +2 =181 (the third number
12.81%
2600-5500=20500
20500/16=1281.25
1281.25/100= 12.8125
rounded 12.81%
75
300/4=75
