To ship Liam’s package, National Parcel charges a $15.76 flat fee and $1.53 per pound. To ship the same package, Statewide Shipping charges a $19.48 flat fee and $1.29 per pound.
How many pounds must Liam’s package weigh for National Parcel’s total charge to be the
same as Statewide Shipping’s total charge?
a. Analyze the given information. Write the general structure of the equation.
b. Formulate a plan. Write the two variable expressions and define the given variable. Then,
write the equation.
Variable definition:
Left-side expression:
Right-side expression:
Write the equation:
c. Determine a solution. Solve the equation.
Write the solution in a complete sentence with appropriate units.

d. Justify the solution. Check the solution using substitution.
e. Evaluate the reasonableness of the solution and the problem-solving process.
Is the solution reasonable?
Why or why not?

Is the process effective?
Why or why not