Question

A girl takes 15 minutes to cover a distance
at the speed of 6 km/h. By how much should
she increase her speed to cover the same
distance in 10 minutes.​

Answer 1

Answer:

On the first she cover distance at the speed of 6km/hr in 15 minutes. Then, she increase her speed to cover the same distance in 10 minutes. You must Revise formulaes of that lesson.In 15 minutes she covered at 6km/hr.In 10min she covers, double the 6km/hr and it's 12km/hr. This is the answer

Step-by-step explanation:

It's easy bro