Ask Question
6 May, 19:26

Grover has scores of 72, 86, and 78 on 3 tests. what score must he make on the next test in order to have an average of 80?

+3
Answers (1)
  1. 6 May, 21:33
    0
    Let x = the next score

    If (72 + 86 + 78 + x) : 4 = 80

    ⇒ 236 + x = (80 * 4)

    ⇒ 236 + x = 320

    ⇒ x = 320 - 236

    = 84

    ∴ he needs to get 84 on the next test to get an 80 average
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Grover has scores of 72, 86, and 78 on 3 tests. what score must he make on the next test in order to have an average of 80? ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers