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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?

Martin's average score after 4 tests is 89. What score on the 5th test would bring Martin's average up to exactly 90?
asked 36.8k views
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?

asked
User SquiresSquire
by
8.2k points

2 Answers

3 votes

Answer:

104

Explanation:

89x4=356 90x5=450

450=356=104

answered
User The Moisrex
by
7.5k points
6 votes

Answer:

94

Explanation:

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

answered
User Desmond Lua
by
8.5k points
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