Respuesta :

Answer:

20 groups of 18=360

10 groups of 18=180

4 groups of 18=72 with 8 left over

Step-by-step explanation:

so your total answer is 20+10+4=34 with 8 left over

18x20=360

18x10=180

4x18=72

Hope this helps plz mark brainliest