Caisha has a circular garden with a radius of 4 ft. she needs to put a layer of soil on top. each bag of soil covers 9.42 square feet. how many bags of soil will she need to buy?
[tex]s = \pi \times {r}^{2} \\ s = \pi \times {4}^{2} \\ s = 50.27 \: sqft \\ \\ x = 50.27 \div 9.42 = 5.33[/tex] She needs to buy 6 bags of soil. She will have some left overs.