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Mia paints interior walls at a rate of

12(m^(2))/((h))". "
At what rate does Mia paint in

(cm^(2))/(min)" ? "

(cm^(2))/(min)

Mia paints interior walls at a rate of 12m2 h 12 \frac{\mathrm{m}^{2}}{\mathrm{~h}} .\newlineAt what rate does Mia paint in cm2min \frac{\mathrm{cm}^{2}}{\min } ?\newline\squarecm2min \frac{\mathrm{cm}^{2}}{\min }

Full solution

Q. Mia paints interior walls at a rate of 12m2 h 12 \frac{\mathrm{m}^{2}}{\mathrm{~h}} .\newlineAt what rate does Mia paint in cm2min \frac{\mathrm{cm}^{2}}{\min } ?\newline\squarecm2min \frac{\mathrm{cm}^{2}}{\min }
  1. Convert units: To convert the rate from square meters per hour to square centimeters per minute, we need to know the conversion factors between meters and centimeters, and between hours and minutes. There are 100100 centimeters in a meter, and there are 6060 minutes in an hour.
  2. Convert square meters to square centimeters: First, we convert square meters to square centimeters. Since there are 100100 centimeters in a meter, there are 1002=10,000100^2 = 10,000 square centimeters in a square meter.
  3. Multiply by conversion factor: Now, we multiply Mia's rate by the conversion factor from square meters to square centimeters. This gives us 12m2/h×10,000cm2/m2=120,000cm2/h12 \, \text{m}^2/\text{h} \times 10,000 \, \text{cm}^2/\text{m}^2 = 120,000 \, \text{cm}^2/\text{h}.
  4. Convert hours to minutes: Next, we convert hours to minutes. Since there are 6060 minutes in an hour, we divide Mia's rate by 6060 to find the rate per minute.
  5. Divide by 6060: Dividing the rate in square centimeters per hour by 6060 gives us 120,000cm2/h÷60min/h=2,000cm2/min.120,000 \, \text{cm}^2/\text{h} \div 60 \, \text{min}/\text{h} = 2,000 \, \text{cm}^2/\text{min}.
  6. Calculate final rate: Therefore, Mia paints at a rate of 2,0002,000 square centimeters per minute.

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