Respuesta :
ANSWER: 180
Multiples of 9:
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135, 144, 153, 162, 171, 180
Multiples of 18:
18, 36, 54, 72, 90, 108, 126, 144, 162, 180
Multiples of 20:
20, 40, 60, 80, 100, 120, 140, 160, 180
Multiples of 9:
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135, 144, 153, 162, 171, 180
Multiples of 18:
18, 36, 54, 72, 90, 108, 126, 144, 162, 180
Multiples of 20:
20, 40, 60, 80, 100, 120, 140, 160, 180
Answer:
180
Step-by-step explanation:
2| 18, 20, 9
2 | 9, 10, 9
3 | 9, 5, 9
3| 3, 5, 3
5 | 1, 5, 1
| 1, 1, 1
LCM OF 18, 20, 9 = 2*2*3*3*5 = 180