The answer would be 15. The average of 6, 7, 8, 9, and 15 is 9. Hope this helps.
4/10 = 2/5
When you divide both the numerator and denominator by 2 you will get a new fraction of 2/5. This fraction is in simplest form because you can't reduce it further.
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Answer: Easy
Step-by-step explanation:
a - 2b/3