Mia paints interior walls at a rate of 12\dfrac{\text{m}^2}{\text{h}}12 h
m
2

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12, start fraction, start text, m, end text, squared, divided by, start text, h, end text, end fraction.
At what rate does Mia paint in \dfrac{\text{cm}^2}{\text{min}}
min
cm
2

​
start fraction, start text, c, m, end text, squared, divided by, start text, m, i, n, end text, end fraction?