Question

by 4 km/h, how long will it take to cover the same distance ?
12. A jeep finishes a journey in 9 hours at a speed of 60 km per hour. By how much
should its speed be increased so that it may take only 6 hours to finish the same
journey ?​

Answer 1

Answer:

90 km hour

Step-by-step explanation:

d= time x speed. d= 9 x 60 d=540km now, time= 6hours. speed= d÷time speed= 540÷6. speed= 90km hour. thanks