Can you help me with solving this? I don't just want the answer,but how to do it.

Question

The average distance between Mars and Earth is about 1.3 108 miles. How long would it take TV pictures transmitted from the Viking space vehicle on Mars' surface to reach Earth? (1 mile = 1.61 km.)

Answer 1

time= distance/speedlight

change miles to km

1.3E8miles (1.61km/mile)

you know the speed of light.

Answer 2

thanks, that helps alot

Answer 3

I want you to show me how to solve this problem