A boy get 3 marks for each correct sum and loses2 marks for each incorrect sum. He does 24 sums and obtain 37 marks. The number of correct sums were:
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hey thier.. here is your answer bro..
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lets consider marks as x
3x - 48 + 2x = 37
5x - 48 = 37
5x = 37 + 48
5x = 85
x = 85/5
x = 17.
Therefore the number of correct sums = 17.
Hope this heloed you mark me as brainlist or follow me..
====== =========≠===============
lets consider marks as x
3x - 48 + 2x = 37
5x - 48 = 37
5x = 37 + 48
5x = 85
x = 85/5
x = 17.
Therefore the number of correct sums = 17.
Hope this heloed you mark me as brainlist or follow me..
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