Out of 70 mark,physics paper june got 95% david got 90% of june's marks.amir got 80% of david's marks.find the number of marks amir got
Answers
Answered by
1
Answer:
Amir got 47.88 marks.
Step-by-step explanation:
Total marks = 70
Marks June got = 95% of 70 = 95/100×70 = 66.5
Marks David got = 90% of June's marks = 90% of 66.5
= 90/100×66.5 = 59.85
Marks Amir got = 80% of David's marks = 80% of 59.85
= 80/100×59.85 = 47.88
Similar questions