distance, speed and time

speed:

v=s/t

v-speed

s-distance

t-time

question 1

Kevin rides a bicycle to school, a distance 80km in 4hours.At what speed does he cover the distance?

solution:

v=s/t

s=80km

t=4hr

v=80/4

v=20km/hr

time:

t=s/v

t-time

v-speed

s-distance

question 1

Aunt Mary drives to the grocery shop, 200km from her house with a speed of 60km/hr. At what time does she get to the shop?

solution:

t=s/v

s=200km

v=60km/hr

t=200/60

t=32/6hrs or 3hrs 20mins.