Normal speed
Distance=X km/HR
Speed=distance/time
Time=360/X
Speed 5km/hr more
Distance=360km
Speed=(X 5)km/hr
Time=360-1/X
Speed=distance
Teachoo Black gives you a clean, uninterrupted study experience on every page.
Go ad-free →No banners. No interruptions. Just the lesson.
Go ad-free →