Help this is due tomorrow

asked Dec 24, 2022 212k views

5 votes

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1 vote

Answer:

The choice second;

n = 1.40

Explanation:

$0.7n + 0.8n = 2.1 \\ 1.5n = 2.1 \\ \\ n = (2.1)/(1.5) \\ \\ n = (21)/(15) \\ \\ n = 1.4$

I hope I helped you^_^

AviKKi answered Dec 27, 2022

8.0k points

0 votes

Answer:

n = 1.40 (second option)

Sevko answered Dec 28, 2022

by Sevko

7.0k points

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