Mark’s average after 9 exams was 60. After 10 exams it had decreased to 50. How many marks did he score in his 10th exam? ​

Question

Mark’s average after 9 exams was 60. After 10 exams it had decreased to 50. How many marks did he score in his 10th exam? ​

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Thiên Hương 6 months 2021-08-23T12:24:28+00:00 1 Answers 0 views 0

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    2021-08-23T12:26:01+00:00

    Answer:

    hey how much mark he scored in 9th exam give proper data or how many subject there

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