a circular marble table top has a diameter of 42 in if the table top cost $280 what is the price per square inch

Accepted Solution

Answer:The price is $0.20 per square inchStep-by-step explanation:step 1Find the area of the circular table topThe area of the circle is equal to[tex]A=\pi r^{2}[/tex]we have[tex]r=42/2=21\ in[/tex] ------> the radius is half the diameter[tex]\pi =3.14[/tex]substitute[tex]A=(3.14)(21^{2})[/tex][tex]A=1,384.74\ in^{2}[/tex]step 2Divide the cost by the area to find the price per square inch[tex]280/1,384.74=0.20[/tex]thereforeThe price is $0.20 per square inch