Answer: 20 white lights
Step-by-step explanation: We can right the ratio of green lights to white like so: [tex]\frac{4}{6}[/tex]. Simplify it down to [tex]\frac{2}{3}[/tex]
To find how many white lights there would be if there was 30 green lights, we would set up this equation: [tex]\frac{2}{3}\frac{x}{30}[/tex]
Step one: Cross multiply. (See image)
Step two: Divide. (See Image)
BONUS! [tex]\frac{20}{30}[/tex] simplifies to [tex]\frac{2}{3}[/tex]
Hoped this helped! Let me know if you have any questions~
