Really stuck! explain thought process so i can learn how to do it next time : )

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

Light travels at 186,000 miles per second. light takes about 1 1? 3 seconds to travel from the earth to the moon. calculate the distance between the earth and the moon based on the speed of light.