Question

Will medal if you answer
The longest hair known to be grown by a human is 5.6 meters. Knowing this, how many days
do you think it took for the hair to grow that long? Here is a hint: Hair grows 1/2 millimeter per
day, which equals 0.0005 m.

Answer 1

set up a proportion

length/day = length/day
5.6 meters/x days = 0.0005 meters/ 1 day

cross multiply and solve for x

Answer 2

11,200