(urgently)
4) the marks scored by rohit in two test were 65 and 70. find the minimum marks he should score in the third test to have an average of at least 65 marks.
today i need answer please
Answers
Answered by
1
let marks in third test=x then
avg=sum of marks by no. of subjects
65=65+70+x/3
195=135+x
195-135=x
60=x
avg=sum of marks by no. of subjects
65=65+70+x/3
195=135+x
195-135=x
60=x
Answered by
4
Answer:
According to the question,
(65+70+x)/3 >65
135+x>195
x>60
Hence he should score more than 60..
Hope it helps..
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