Mathematics

Mathematics, 21.04.2020 00:55, queenkimm26

Lisa wants to maintain an average of at least 80 on her spelling quizzes. So far, she has earned scores of 90, 90, 85, 70, 82, 83, and 88. What
is the LOWEST grade she can earn on the next quiz to have an average of at least 80?
Ob 80
.

answer

Answers: 3

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