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soldi70 [24.7K]
3 years ago
8

Find the missing number in this proportion 63/21=9/?

Mathematics
1 answer:
puteri [66]3 years ago
8 0

Answer:

let missing number be x

63/21=9/x

or. 63x=9*21

or 63x=189

or x=189/63

or x=3

. missing number of this proportion=3

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