Question

A car travel 120 km in 1 hr 30 min.
How long will it take to cover 400 km
at the same speed?
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Answer 1

Answer:

Speed of a body is the distance covered by the body in unit time.

Therefore Speed=

\dfrac{Distance}{Time} which implies:

Distance = Speed \times Time

Time = \dfrac{Distance}{Speed}

Answer 2

HERE IS UR ANSWER DEAR,

120 km ---------1hr 30min = 60 + 30 min = 90 min

400km --------- ? (x)

x × 120 = 400 × 90

x = 400× 90/ 120

x = 400 × 3/4

x = 100 × 3

x = 300 min

x = 300/60

x = 5 hrs