Problema Solution
It takes a small jet 4 hrs less time than it takes a propeller driven plane to travel from Glen Rock to Oakville. The jet averages 637km/hr, while the propeller plane averages 273km/hr. How far is it from Glen Rock to Oakville?
Answer provided by our tutors
let propeller takes time t
the jet will take =t-4
673(t-4)=273t
673t - 2692 =273t
400t=2692
t=6.73
hence the distance =273*6.73 =1837.29 km