<u>Answer-</u>
<em>Noah spent </em><em>19 hours 12 minutes</em><em> working on the transmission.</em>
<u>Solution-</u>
Noah spent 24 hours working on his car.
He spent on his time working on his transmission and rest on other .
So the total time spent by Noah working on the transmission is,
Therefore, Noah spent 19 hours 12 minutes working on the transmission.