The time between a lighting flash and the following thunderclap may be used to estimate, in kilometers, how far away a storm is. how far away is a storm if 12 seconds elapse between the lighting and the thunderclap
use the formula d = t/3 . where t is the time in seconds between the flash and the thunderclap
a 4 kilometers
b 5 kilometers
c 15 kilometers
d 36 kilometers

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

step-by-step explanation:

i'm pretty sure it would take 20 hours because it's half the men so you multiply the number of hours it takes by 2