Explanation:
Write out an equation for the total cost. The price per pound multiplied by the number of pounds will give you the total cost.
Total cost
=
Price per pound
⋅
Number of pounds
Rearrange this algebraically to solve for
Price per pound
. To do this, divide both sides of the equation by
Number of pounds
to get
Price per pound
by itself.
Total cost
Number of pounds
=
Price per pound
⋅
Number of pounds
Number of pounds
This leaves us with a new form of the equation.
Price per pound
=
Total cost
Number of pounds
All we need to do now is substitute in the given information and solve.
Price per pound
=
Total cost
Number of pounds
=
38.87
2.6
=
$
14.9