Layna can paint a 350-square-foot room in 4 hours. It takes Bebe 7 hours to paint the same room. Which equation can be used to find t, the time it takes Layna and Bebe to paint the room together?

Respuesta :

Layna----350/4=87.5
Bebe-----350/7=50
137.5/h
350/137.5=

2.54 hours

Answer:

A. 1/4t+1/7t=1

Step-by-step explanation:

Hope this helps!!!     :)