Respuesta :

keziakh004

Answer:

5

Step-by-step explanation:

Use ratios.

[tex]\frac{3}{48} =\frac{x}{80}[/tex]

Solve for x

[tex]x=5[/tex]

Sarah06109

Answer:

5 hours

Step-by-step explanation:

Make a proportion

She served 48 people in 3 hours, and served 80 people in x hours

48/3=80/x

Cross multiply

48*x=80*3

48x=240

Divide both sides by 48 to isolate x

x=5

So, it will take 5 hours to serve 80 people