Question

A car travels 21/4km north, then 5/2 km west and finally 35/8km north. What is the total distance travelled(in kilometer)?what fraction of the journey was travelled in a northerly kilometres ? ​

Answer 1

Step-by-step explanation:

21/4+5/2+35/8

total travelled = (42+20+35)/8 = 97/8 km

fraction of the journey was travelled in a northerly kilometres

21/4+35/8 = (42+35)/8. = 77/8km