Find the third number if their average is 6 and two of them are 6 and 7
2 answers:
Answer:
5
Step-by-step explanation:
If their average is 6 and there are three numbers in total, the total sum of the three numbers would be:
6×3 = 18
You know that two of them is 6 and 7, so you can find the last number easily.
18-6-7 = 5
Answer:
5
Step-by-step explanation:
6 +7+5 = 18 and 18/3 = 6
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