Answer:
Solution given:
x+100=180°{linear pair}
x=180-100
x=80
The answer is 3
20
Explanation:
To estimate, we round. 102.3 rounds to 100 and 4.7 rounds to 5; this means we divide 100/5, which is 20.
The formula is 2000 x (1 + Rate/100)^15
