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aalyn [17]
2 years ago
8

Three numbers have an average of 15. If two of the numbers are 10 and 12, then what is the other number?

Mathematics
1 answer:
AveGali [126]2 years ago
3 0

Answer:

Step-by-step explanation:

(12+10+x)/3=15

15*3=12+10+x

45-12-20=x

X=23

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