Converting 0.45 hours to minutes and seconds

[nonstop]

I have very disappointed myself. I am forgot how count time, if car drives example 45 km(kilometre) distance and it's speed is 100km/h ( kilometre per hour). How i know what is time?

equation is

t = s/v (t = time, s = distance and v = speed)

and now equation is

t = 45km / 100km/h
t = 0,45h?

How i know this (0,45h) what is exactly time? Can somebody count this for me?

 

[WhyIsItSo]

I have very disappointed myself. I am forgot how count time, if car drives example 45 km(kilometre) distance and it's speed is 100km/h ( kilometre per hour). How i know what is time?

equation is

t = s/v (t = time, s = distance and v = speed)

and now equation is

t = 45km / 100km/h
t = 0,45h?

How i know this (0,45h) what is exactly time? Can somebody count this for me?

Do you mean convert this to minutes?

You have 0.45h, there are 60 minutes to an hour, so 60 * 0.45 = 27minutes.

 

[Integral]

I don't understand your problem. Yes it would take .45 hr or .45hr * 60min/hr = 27min to travel 45km at 100km/h.