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17. Unit conversion and speed calculation

1. Anne was riding a bike which travels at a speed of 23 $m/s$ . Calculate its speed in $km/h$ .

$km/h$

2. In a marathon, Anne runs 246 $metres$ in 1 $minutes$ 30 $seconds$ . Calculate the total speed in $metres\ per\ second$ ( $m/s$ )?

$m/s$

Important!

Note: Enter your answer with 2 decimal digits.

$1$

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