Question

Write a verbal description of a real-world situation involving linear change.

Answer 1

A pizza delivery driver charges a flat $4 pickup fee plus $2 for every mile driven. If you measure the number of miles driven, the total charge increases by the same $2 for each additional mile; starting charge is $4 before any miles are driven. Thus the total fare grows linearly with miles traveled: each extra mile adds a constant amount to the cost.