Question

to receive grade 'A'in a corse ,one must obtain an average of 90 marks or more in five examination (each of 100 marks ) . if sunita 's marks in first four examination are 87,92,94 and 95, find minimum marks that sunita must obtain i. fifth examination to get grade 'A' in the course.

Answer 1

student must get =90%of500=450

he has got in 4exams=87+92+94+95=368
he must get in 5th exam=450 - 369=81

Answer 2

Answer:

This is the answer..

Hope it helps..