Question

A man travelled 420km in 12hour how much time would he have taken to cover 630km if he traveled non stop at the same speed

Answer 1

first Identify 1 Hr speed so We Divide 420/12 =35 Km/Hr

now We Divide Total Distance/ Speed

630/35 = 18Hr

Total 18 Hr Need To Achieve 630 Km

and If You Consider At 420 Km to 630 km need 6 Hr.

Answer 2

Step-by-step explanation:

(1) Convert km in m and hrs into mins.

(2) Solve for the equation 1 by using ave. speed formula.

(3) Substitute the speed from equation 1 into equation 2.

(4) Calculate x by changing formula to : time = distance ÷ ave. speed.