Question

How long will a lorry take to co ver a
distance of 2250 m at a speed of 50
km/h. If the speed of the lorry is
increased to 75 km/h, How much less
time will it take to cover the same
distance​

Answer 1

Answer:

$time = \frac{distance}{speed} \\ \\ time = \frac{2250m}{50km {h}^{ - 1} } = 45 \: minutes \\ time = \frac{2250m}{75km {h}^{ - 1} } = 30 \: minutes \\ 45 \: minutes - 30 \: minutes = 15 \: minutes \: \\ lorry \: will \: take \: 15 \: minuts \: less \: time.$

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Answer 2

Step-by-step explanation:

Answer:

\begin{gathered}time = \frac{distance}{speed} \\ \\ time = \frac{2250m}{50km {h}^{ - 1} } = 45 \: minutes \\ time = \frac{2250m}{75km {h}^{ - 1} } = 30 \: minutes \\ 45 \: minutes - 30 \: minutes = 15 \: minutes \: \\ lorry \: will \: take \: 15 \: minuts \: less \: time.\end{gathered}time=speeddistancetime=50kmh−12250m=45minutestime=75kmh−12250m=30minutes45minutes−30minutes=15minuteslorrywilltake15minutslesstime.

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