John needs a minimum of 360 marks .in four test in math to obtain an A grade.on his first 3tests he scored 88,96,79 marks. What should be his score in the fourth test so that he can make an A grade
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Min marks required in 4 tests = 360
Marks obtained in Test 1= 88
Marks obtained in Test 2= 96
Marks obtained in Test 3= 79
Total marks of first 3 tests= 88+96+79
= 263
In order to get 360, marks required by john in last test= 360-263
=97
Thus, if John score 97, then only he gets an A grade.
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