A retailer charges a flat handling fee of $5.00, plus $0.75 per quarter pound, to ship an item. Bailey pays $9.50 to have an item shipped from the retailer. What is the weight of the item?
1 Answer
See a solution process below:
Explanation:
The formula for the charge is:
Where:

#c# is the total cost: $9.50 for this problem. 
#f# is the fixed cost: $5.00 for this problem 
#r# is the rate for the variable charge:#($0.75)/(0.25"lb")# or#($3.00)/"lb"# for this problem, 
#w# is the weight being shipped. What we are solving for in this problem.
Substituting and solving for
The weight of the item Bailey shipped was