Question

slove step by step. ​

Answer 1

Answer:

with 6 km/hrs == 2hrs

with 12 km/hrs == 3 hrs

Step-by-step explanation:

at 6 km/hrs speed

she covers distance in 1 hr.= 6km

so ,she covers 12 km in = 12/6

=2hrs

at 4km/hrs speed

she covers distance in 1hrs. =4km

she covers 12 km in = 12/4

=3hrs

I think it's correct.

hope helps

Answer 2

Answer:

It would take 2 hours to reach her house if she travels at 6km/h

She would reach her house in 3 hours if she travels at 4km/h

Step-by-step explanation:

$Speed = \frac{Distance}{Time}\\\\6km/h = \frac{12km}{T}\\\\(6km/h)T =12km\\\\ T = \frac{12km}{6km/h} \\\\T = 2h$

∴ It would take 2 hours to reach her house if she travels at 6km/h

$Speed = \frac{distance}{time}\\\\Distance = Speed \times Time\\\\Time = \frac{distance}{speed} \\\\Time = \frac{12km}{4km/h} \\\\Time = 3h$

∴ She would reach her house in 3 hours if she travels at 4km/h

HOPE THIS HELPS YOU