The number of mulch you need to cover a planting area varies jointly with the area to be mulched a in square feet and the depth of the mulch d in feet. If you need 10 bags to mulch 120ft2 to a depth of 3in, how many bags do you need to mulch 200ft2 to a depth of 4in?

Question

anonymous · Answer

Make sure you include the model.

anonymous · Answer

$$
10n = 120ft^2\times 3in = 120(12in)^2 \times 3in
$$Solve for $n$.  Then: $$
m\times n = 200ft^2 \times  4in = 200(12in)^2 \times  4in
$$Solve for $m$.

anonymous · Answer

Thank you!

anonymous · Answer

Could you please help me with another question?

anonymous · Answer

Gotta go soon

anonymous · Answer

Okay. Thanks anyways.