Karen and her bike.

Question

If Karen rides her bike at 9 m/s and she ends up going a distance of 720 meters. How much time did she ride

for?

Answer 1

720/9= 80 seconds= 4/3 min =1 1/3 minutes

3/4 x 720= 3x180 = 540 m/min=540x60 m/h

= 32,400 m/hr= 32.4 km/h

=about 20.13 mph,

Karen gets a speeding ticket in a 20mph zone