Answer :
we know that
[area of the painting]=13 in* 17 in-----> 221 in²
if an artist painting at
$0.30 per --------------> 1 in²
x$--------------> 221 in²
X=221*0.30------> x=$66.30
the answer is
$66.30
[area of the painting]=13 in* 17 in-----> 221 in²
if an artist painting at
$0.30 per --------------> 1 in²
x$--------------> 221 in²
X=221*0.30------> x=$66.30
the answer is
$66.30