A jogger wants to save 1/4th of his jogging time. he should increase his speed by how much %age.
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let the previous jogging time be 100
the new time= {1- (1/4)}*100=75
ratio of new time to old= 75/100=3/4
to manage the total work out, the ratio of new speed =1/(3/4)=4/3
(4/3)*100= 133.33%
increase in speed = 33.33%
hope that helps.
the new time= {1- (1/4)}*100=75
ratio of new time to old= 75/100=3/4
to manage the total work out, the ratio of new speed =1/(3/4)=4/3
(4/3)*100= 133.33%
increase in speed = 33.33%
hope that helps.
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