[tex] 440 \dfrac{cm}{min} \times \dfrac{1~m}{100~cm} \times \dfrac{60~min}{1~hr} = [/tex]
[tex] = 440 \dfrac{cm}{min} \times \dfrac{60~m \times min}{100~cm \times hr} [/tex]
[tex] = 440 \dfrac{cm}{min} \times \dfrac{3~m \times min}{5~cm \times hr} [/tex]
Multiply cm/min by 3/5 to get m/hr.
