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mr Goodwill [35]
3 years ago
14

The average age of 30 people running for election is 42. A 4th person joins the race and the average drops to 40. what is the 4t

h person's age​

Mathematics
1 answer:
nirvana33 [79]3 years ago
7 0

Answer:

34

Step-by-step explanation:

Hope this helps. Us what you know, and think of the ages as a, b, c, d

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AB and CD are interesting lines

Therefore, the angles formed will be equal (vertically opposite angles).

Hence,

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