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If 80% is 72 marks, what is full marks

If 80% is 72 marks, what is full marks
asked 85.0k views
2 votes
If 80% is 72 marks, what is full marks

asked
User Seanicus
by
7.4k points

2 Answers

7 votes

I am pretty sure that it is one hundred. bye thanks for me being able to help!
answered
User Sigute
by
8.0k points
4 votes
72 80
—— = ——
x 100

Cross multiply and solve

7200 = 80x

Divide each side by 80

7200 = 80x
——— ——
80 80

And voila x is the answer for full marks

90 = x
answered
User Victmo
by
7.3k points
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