Respuesta :

Answer:

25 minutes

Step-by-step explanation: 20 divided by 8 equals 2.5 so she take 2 and a half minutes per question. 2.5 plus 2.5 equals 5 so just add five minutes on her original time. 25 minutes

Answer:

25 minutes

Step-by-step explanation:

→You can set this problem up as a proportion, like so:

[tex]\frac{8}{10} =\frac{20}{x}[/tex]

→Cross multiply:

[tex]\frac{8x}{200}[/tex]

→Divide 200 by 8:

x = 25

Q&A Education