edgytaehyung
13.12.2019 •
Mathematics
Twenty-one and six hundred five thousandths
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Ответ:
Part A:4m + 12 + 20m
2 (2m + 6 + 10m)
Part B: 2 (2m + 6 + 10m) = 4(m + 3 + 5m)
4m + 12 + 20m = 4m + 12 + 20m
24m + 12 = 24m + 12
Part C: if m equals 2,
4(m + 3 + 5m)
compile it down
4(2 + 3 + 5 x 2)
4(5 + 5 x 2)
4(10 x 2)
4(20)
4 times 20
80