Answer:
1 yard=$3.20
1 inch=$0.15
36 inches=$0.15×36
=$5.40
$3.20 per yard is better deal.
Explanation:
There is 36 inches in a yard. In order to compare both prices in the same length, 0.15 was multiplied by 36 to find out the price.
$5.40 for 36 inches(a yard)
$3.20 for a yard
So, $3.20 per yard is the better deal.