17. The average of first 3
numbers of 7 consecutive
natural numbers is 15 and
average of last 3 numbers is 19
which are the 7 seven
consecutive natural numbers?
Answers
Answered by
0
Answer:
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Answered by
0
Answer:
The largest number is 19.
Step-by-step explanation:
The sum of seven consecutive numbers will be the same as seven times their average. So to start, add seven consecutive numbers.
(x-3)+(x-2)+(x-1)+x+(x+1)+(x+2)+(x+3)=16×7
Now reorder all the like terms together.
x+x+x+x+x+x+x+3–3+2–2+1–1=16×7
7x/7=16×7/7
x=16
The largest consecutive number added is x+3. Since x=16, x+3 would be 19. So the largest consecutive number is 19.
hope this helps ya
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