Question

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Answer 1

d)

$72 \frac{km}{h} \times \frac{1000m}{1km} \times \frac{1h}{60min} = 1200 \frac{m}{min}$

e)

$80 \frac{m}{h} \times \frac{100cm}{1m} \times \frac{1h}{60min} = 133.33 \frac{cm}{min}$