3 years ago

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

Mathematics

2 answers:

krok68 [10]3 years ago

6 0

Answer:

104

Step-by-step explanation:

89x4=356 90x5=450

450=356=104

never [62]3 years ago

6 0

Answer:

Step-by-step explanation:

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

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