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Martin's average score after 4 tests is 89. What score on the 5th test would bring Martin's average up to exactly 90?
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3 votes
Martin's average score after 4 tests is 89. What score on the 5th test would bring Martin's average up to exactly 90?

User SquiresSquire
by
6.9k points

2 Answers

3 votes

Answer:

104

Explanation:

89x4=356 90x5=450

450=356=104

User The Moisrex
by
6.0k points
6 votes

Answer:

94

Explanation:

((89x4)+94) divided by 5 = 90

User Desmond Lua
by
7.0k points
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