Question

A woman walks a certain distance in 84 min .she covers two thirds of it at 4km/h and the rest at 5km/h.find the total distance she covered.

Answer 1

Answer:6 km

Step-by-step explanation:

let total distance covered D        total time taken=84 min 7\5 hrs                                                 time taken  distance/ speed                                                                                                 ans is 6 km