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pishuonlain [190]
3 years ago
14

The average number of people at a concert over 3 nights is 125. On the first night, there were 151 people at the concert. The sa

me number of people attended the second and third night. How many people attended on each of the second and third nights?​
Mathematics
1 answer:
Serhud [2]3 years ago
5 0

Answer:

164 people

Step-by-step explanation:

Let's say <em>x = # of people in night 2 and 3</em>

Average = (n₁ + n₂ + n₃ + ...)/n

Plug in known numbers: <em>(125 + x + x)/3 = 151</em>

Multiply + simplify: <em>125 + 2x = 453</em>

Subtract: <em>2x = 328</em>

Divide: x = 164

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