Correct?
a racecar can travel 2 laps in 4 minutes. at this rate, how long will it take the racecar to complete 75 laps (in minutes)?

my
4/2 = x/75

2x = 4 * 75

2x = 300

2x/2 = 300/2

x = 150

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal