Question

linda walked 2 hours and ran for 1 hour. if she runs three times faster than she walks and the total journey is 20 kilometres, then how fast does she run?​

Answer 1

Answer:

15km/hr

Step-by-step explanation:

for 2hr she walked x km.

then for 1hr she ran for 3x km.

total distance=20 km

x+3x=20km

4x=20km

then x=20/4=5km