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4 votes
Mel got a mean score of 82 marks over 3 tests.

In the first two tests her scores were 74 and 85.
What was her mark in the final test?

User Minja
by
7.5k points

1 Answer

1 vote

Answer: 87

Explanation:

(74+85+x)/3 = 82

3(82)=74+85+x

246 = 74+85 + x

246-74-85=x

x= 87

User Enfinet
by
8.4k points