elis78
elis78
21-09-2020
Mathematics
contestada
(1/2)n+r
n - 30. r - 6
Respuesta :
blahaplehia
blahaplehia
21-09-2020
Answer:
21
Step-by-step explanation:
1/2*30+6 = 15+6 = 21
Hope I helped
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