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Lelu [443]
3 years ago
10

On Monday morning,there were 30 tickets available for a concert if 1/3 of the tickets were sold on Monday and 1/5 of those left

were sold on Tuesday, how many tickets were still available after Tuesday tickets sales​
Mathematics
1 answer:
lianna [129]3 years ago
8 0
I think the answer would be 16, Hope this helps
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What is 60+90 in Distributive Property?
Gre4nikov [31]

Answer:

30(2+3)

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It is 1/3 have a great day !!
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Isabella save 2 nickels today, if she doubles the number of Nicole, she saves every day, how many days, including today, will it
Elden [556K]

Answer:

  8 days

Step-by-step explanation:

On day 8, Isabella will save 256 nickels, bringing her total to 510.

_____

The number of nickels saved on day n is 2^n. The total is 2^(n+1)-2.

_____

The above can be written down from your knowledge of binary sequences. If you want a more formal development, read on.

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The number of nickels saved on day n is a geometric sequence with first term 2 and common ratio 2. The n-th term of the sequence is ...

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The sum of n terms of the sequence is ...

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__

We want S > 500, so ...

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  502 < 2^(n+1)

  251 < 2^n

  log(251) < n·log(2)

  n > log(251)/log(2)

  n > 7.97 . . . . . . . . 8 days or more to save more than 500 nickels

3 0
3 years ago
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