Q8 A woman has a new fitness watch
She uses this formula to calculate her step length.
a measured distance in feet
Step length(feet)
(the number of steps taken)
Her measured distance was 20 feet and the number of steps taken was 16.
In her first week she walks 67118 steps.
She wants to know how many kilometres she walked in the first
week.
1 foot = 0.0003048km
What distance did she walk?
Show your working
Distance walked
km