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suppose your grades on four science exams are 99, 86, 76, and 95. what grade do you need on your next exam to have a 91 average on the five exams? A)99 B)89.4 C)93 D)90
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suppose your grades on four science exams are 99, 86, 76, and 95. what grade do you need on your next exam to have a 91 average on the five exams? A)99 B)89.4 C)93 D)90

User Caliche
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99 because if you add 78+99+95+86 you get 356 and 356+99 is equal to 455 and 455 divided by 5 is 91.
User Jason Glisson
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