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Answer 1 · 2017-12-01T02:53:25

Motocycle = 2 hours
Bus = 2. 5 hours
Truck = 3 hours
Bicycle = 7.5 hours.

$R = D/T$ or

$T = D/R$

Where $R$ = rate

Where $D$ = distance

Where $T$ = time

Motocycle's time = $150/75 = 2$

Bus's time = $150/60 = 2 1/2$

Truck's time = $150/50 = 3$

Bicycle's time = $150/20 = 7 1/2$