Answer:
2/5
Step-by-step explanation:
3/10÷3/4
3/10×4/3
4/10
2/5
Step-by-step explanation:
We have,
The wavelength of yellow light, 
Frequency of yellow light, 
It is assumed to find the speed of light in the yellow light.
The speed of a wave is given in terms of wavelength and frequency as :

So, the speed of light in a shade of yellow light is
.
Hi I'm new to this website so I wanted to comment that I'm having the same complication with that exact same problem
Answer:
C.
Step-by-step explanation:
This is the correct answer, because ever since the transit system was made, car rides went down and down.
125 / 4 = 30 (for rounding), not sure how this is middle school mathematics.