The marks obtained by sukriti in first two unit test are 75 and 70 .Find the no of minimum marks she should get in the third unit test to have an average of at least 60 marks
Answers
Answered by
3
Answer:
marks to be obtained in third test =
x
Average=x+70+75/3
60=x+145/3
60×3=145+x
180-145=x
x=35
Answered by
1
Answer:
35
Step-by-step explanation:
75 +70 +x/3 = 60
145 +x/3 = 60
145+x = 60*3
145+x= 180
x= 180-145
x= 35
Similar questions