Question

solve asap.........​

Answer 1

Step-by-step explanation:

let distance covered by foot =6x

distance covered by bicycle=12(9-x)

6×x+12(9-x)=90

6x+108-12x=90

-6x+108=90

-6x=-18

x=3

distance covered by bicycle 12(9-3)=72km

option D =72 km

hope you satisfied

follow for more solutions