To obtain grade A in maths, Neha need at least 360 marks in 4 tests.On First three tests,She score 91, 85,and 89 marks.From an in equation for this and find what should her score be in the 4th test so that she can get grade A.
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Let the score of 4th test be x.
Then,
91+85+89+x = 360
265+x = 360
x = 360-265
x = 95
Hence, to obtain grade A she needs to score 95 in the 4th test
Then,
91+85+89+x = 360
265+x = 360
x = 360-265
x = 95
Hence, to obtain grade A she needs to score 95 in the 4th test
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