If a gardener can mow a lawn in 20 min, what portion of the lawn can the gardener mow in 1 min?
1 Answer
Dec 17, 2016
Explanation:
In 20 mins the gardener mows the
#color(blue)"whole"# lawn.In this type of question we assume that the gardener mows the lawn at the same rate.
That is in 10 mins
#=10/20=1/2" of the lawn"# In 5 mins
#=5/20=1/4" of the lawn"# and so in 1 min
#=1/20" of the lawn"#
