Respuesta :

texaschic101
60 minutes in 1 hr, 60 seconds in 1 minute....(60 * 60) = 3600 seconds in 1 hr

(1/4) / 36 = x / 3600...1/4 mile to 36 seconds = x miles to 3600 seconds
cross multiply
(36)(x) = (1/4)(3600)
36x = 900
x = 900/36
x = 25 mph <==