Question

Plzzz ...tell me answer fastly

Answer 1

Answer:

for 1 hour 54 km

for 30 seconds ?

change hours into seconds

1 hour =3600

then for 3600 54km

for 30 seconds ?

let ? = x

do cross multiplication

3600×x=54×30

3600x=1620

then x= 1620/3600

x=0.45 km

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