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Riya is applying mulch to her garden. She applies it at a rate of 
250,000cm^(3) of mulch for every 
m^(2) of garden space.
At what rate is Riya applying mulch in 
(m^(3))/(m^(2)) ?

Riya is applying mulch to her garden. She applies it at a rate of 250,000cm3250,000\text{cm}^{3} of mulch for every 1m21\text{m}^{2} of garden space.\newlineAt what rate is Riya applying mulch in (m3m2)\left(\frac{\text{m}^{3}}{\text{m}^{2}}\right)?

Full solution

Q. Riya is applying mulch to her garden. She applies it at a rate of 250,000cm3250,000\text{cm}^{3} of mulch for every 1m21\text{m}^{2} of garden space.\newlineAt what rate is Riya applying mulch in (m3m2)\left(\frac{\text{m}^{3}}{\text{m}^{2}}\right)?
  1. Convert to m3m^3: We need to convert the volume of mulch from cm3cm^3 to m3m^3 and then divide by the area in m2m^2 to find the rate in (m3)/(m2)(m^3)/(m^2).
  2. Calculate Volume: First, we convert 250,000cm3250,000 \, \text{cm}^3 to m3\text{m}^3. We know that 1m31 \, \text{m}^3 is equal to 1,000,000cm31,000,000 \, \text{cm}^3 (since 1m=100cm1 \, \text{m} = 100 \, \text{cm} and thus 1m3=1003cm31 \, \text{m}^3 = 100^3 \, \text{cm}^3).
  3. Convert to Rate: To convert cm3\text{cm}^3 to m3\text{m}^3, we divide the volume in cm3\text{cm}^3 by 1,000,000cm3/m31,000,000 \, \text{cm}^3/\text{m}^3. So, 250,000cm3=250,0001,000,000m3250,000 \, \text{cm}^3 = \frac{250,000}{1,000,000} \, \text{m}^3.
  4. Final Rate: Performing the division, we get 250,0001,000,000=0.25m3\frac{250,000}{1,000,000} = 0.25 \, \text{m}^3.
  5. Final Rate: Performing the division, we get 250,0001,000,000=0.25m3\frac{250,000}{1,000,000} = 0.25 \, \text{m}^3. Now, we have the volume in m3\text{m}^3, and since the area is already given in m2\text{m}^2, we can directly use these values to find the rate.\newlineThe rate is 0.25m30.25 \, \text{m}^3 of mulch for every 1m21 \, \text{m}^2 of garden space.
  6. Final Rate: Performing the division, we get 250,000/1,000,000=0.25m3250,000 / 1,000,000 = 0.25 \, \text{m}^3.Now, we have the volume in m3\text{m}^3, and since the area is already given in m2\text{m}^2, we can directly use these values to find the rate.\newlineThe rate is 0.25m30.25 \, \text{m}^3 of mulch for every 1m21 \, \text{m}^2 of garden space.Therefore, Riya is applying mulch at a rate of 0.25(m3)/(m2)0.25 \, (\text{m}^3)/(\text{m}^2).

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