Answer :

Answer: 90%

Step-by-step explanation:

We will divide the obtained marks by the total marks and multiply by 100 to reach his percentage of marks.

[tex]\displaystyle \frac{18}{20} *100=0.9*100=90\%[/tex]

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Rewritten by : Barada

Answer:

hello

Step-by-step explanation:

(18/20) x100

9/10 x 100

= 90%

the percentage of marks is 90%