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sweet [91]
3 years ago
11

Can y’all help me PLZZ I need help ASAP .

Mathematics
1 answer:
Marysya12 [62]3 years ago
7 0

Answer:

40

Step-by-step explanation:

10n+40+n+30=180

n=10

4n=4(10)=40

n+30=(10)+30=40

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