Mathematics, 24.09.2021 19:20 sCoTtYbOy5329
My percentage for mathematics last term was 85%. If my scores out of 20 marks for the first nine tests were 14, 18, 16, 16, 18, 15, 16, 20 and 19, find my score for the last test out of 20 marks.
help me please! with full solution
my solution is
let x be the last test score
133+x/20=85%
Answers: 1
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