Question 414375
If 2 pounds of cheese cost $8.40
Then 3.5 pounds of cheese cost x dollars
pounds------------price
2-----------------8.40
3.5---------------x

{{{(2)(x)=(3.5)(8.40)}}}
{{{x=((3.5) *  (8.40))/2}}}
{{{x= 14.7}}}

Therefore 3.5 pounds of cheese cost $14.7.