Respuesta :

The answer is 90%. You get this answer by multiplying both the numerator and denominator by 5 so 18x5=90 and 20x5=100 giving you a fraction of 90/100 and a percentage of 90%.

Answer:

Sean answered 90% of the questions in the quiz correctly.

Step-by-step explanation:

Sean answered 18 of 20 quiz questions correctly.

So, to know the percentage we can do the following calculation.

[tex]\frac{18}{20}\times100= 90[/tex]%

Therefore, Sean answered 90% of the questions in the quiz correctly.