Layla buys 2 1/2pounds of chocolate for 3.50 how much is she paying for a pound of chocolate

Layla buys 2 1/2pounds of chocolate for 3.50 how much is she paying for a pound of chocolate?

Using our mixed fraction converter, 2&1/2 = 5/2

Cost per pound = 3.50 / 5/2 pounds

Dividing by 5/2 is the same as multiplying by the reciprocal 2/5:
3.50 * 2/5
7/5
$1.40 per pound