Question

plz solve this 3 and 4 question i want solution of both questions plz plz plz if the answer will correct and helpful i will add it to the brainlist answer

Answer 1

3 . s=d/t

distance(d) = 100km+30km = 130 km '

time(t) = 2and 1/2+1/2=3

speed(s) = 130/3=43.3333.......

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4. little confusing i couldn't understand . i only got a few steps here

total distance = 1200km .

speed for i/4 th journey = 60km/h

total time = 17 hr .

speed = d/t

speed of 3/4th journey = d/t=distance = 3/4os 1200 = 3/4x1200=1/100

time =