Jamil's average score in 4 tests was 80 out of a possible 100. If his scores in 2 of the tests were 65 and 70, what is the lo...

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Jamil's average score in 4 tests was 80 out of a possible 100. If his scores in 2 of the tests were 65 and 70, what is the lowest that either of his other scores could have been?