I got same scored in English and Science. Got 7 marks nor in Mathematics. The average score is 67 marks. What is my Mathematics score?
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marks in English and science=x
marks in maths=x+7
average=(3x+7)/7=67
3x+7=469
3x=462
so x=154
so marks in maths=154+7=161
HOPE IT HELP
marks in maths=x+7
average=(3x+7)/7=67
3x+7=469
3x=462
so x=154
so marks in maths=154+7=161
HOPE IT HELP
champion360:
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