Answer:
Step-by-step explanation:
1) 6 + 3 + 3 = 12
2) 8 + 10 + 12 = 30
3) 20 + 20 + 20 + 20 = 80
4) 15 + 8 = 23
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Answer:
Step-by-step explanation:
1) 6 + 3 + 3 = 12
2) 8 + 10 + 12 = 30
3) 20 + 20 + 20 + 20 = 80
4) 15 + 8 = 23