in test Carl, Sarah, and Dinesh scored an average of 70 marks. Carl obtained 65 marks and Sarah obtained 82 marks. How many marks did Dinesh get?
Matematika
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Pertanyaan
in test Carl, Sarah, and Dinesh scored an average of 70 marks. Carl obtained 65 marks and Sarah obtained 82 marks. How many marks did Dinesh get?
1 Jawaban
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1. Jawaban wahyuariwulandarii
Their average is 70, so:
(carl + sarah + dinesh) / 3 = 70
65+82+dinesh = 210
147 + dinesh = 210
dinesh = 63
Dinesh has 63 marks.