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insens350 [35]
3 years ago
5

Any help please thanks

Mathematics
2 answers:
vekshin13 years ago
6 0

Answer:

n=54

Step-by-step explanation:

Since this is a proportion problem, you have cross mulitply.

7n=9x42

7n=378

n=54

Dovator [93]3 years ago
6 0

Answer:

cross multiply

9×42=378

7×n=7n

n=378/7

n=54

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