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Alexxandr [17]
3 years ago
11

The average of three test scores is 82. The scores on the first test and the third test are the same. The score on the second te

st is 6 less than the score on the first test. What is the score on the first test?
Mathematics
1 answer:
kondaur [170]3 years ago
5 0

Answer:

84

Step-by-step explanation:

Let x = the test

(x + x + ( x - 6))/3=82

((3x - 6)/3) • 3= 82 • 3

3x - 6 + 6 = 246 + 6

<u>3x</u> = <u>252</u>

3        3

x = 84

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