We need to find the unit rate, that is kilometer per hour
The unit rate is 3/4 km/hr
kilometer, km
Hour, hr
unit rate
[tex] = \frac{number \: of \: kilometer}{number \: of \: hours} [/tex]
[tex] = \frac{1 \div 4}{1 \div 3} [/tex]
[tex] = 1 \div 4 \times 3 \div 1[/tex]
= 3/4 km/hr
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