Respuesta :

texaschic101
(1/5) / (1/25) = 1 / x......1/5 box to 1/25 min = 1 box to x min
cross multiply because this is a proportion
(1/5)(x) = (1/25)(1)
1/5x = 1/25
x = 1/25 * 5
x = 5/25 = 1/5...it will take 1/5 of a minute to fill the entire box