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Carlos has scored 83, 65, and 94 on his previous three tests. What score does he need on his next test so that his average (mean) is 82? PLS HELP ME SOMEONE 32 POINTS AND PLS NO USELESS LINKS
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Carlos has scored 83, 65, and 94 on his previous three tests. What score does he need on his next test so that his average (mean) is 82?

PLS HELP ME SOMEONE 32 POINTS AND PLS NO USELESS LINKS

Carlos has scored 83, 65, and 94 on his previous three tests. What score does he need-example-1
User Abhishek Vyas
by
4.9k points

1 Answer

7 votes

Answer:

  • Carlos need to score 95

Explanation:

Let the score is x. The average is:

  • (83 + 56 + 94 + x)/4 = 82
  • x + 233 = 4*82
  • x = 328 - 233
  • x = 95
User Toadjaune
by
5.1k points
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