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Mathematics, 28.11.2019 19:31 21hendlill

8the table shows lan's grades on two science tests.
which inequality could be used to find the average
grade ian must score on the next two tests in order to
maintain an average of at least 90?
test 1 2 3
score 2 96 82 ?
a 4x +96 +82 > 90
b 2x +178 90
cx+178 > 270
d 2x + 178 > 360
what are the s

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