Solve the linear inequality. Other than ∅, use interval notation to express the solution set and graph the solution set
on a number line.
-A standard train ticket in a certain city costs $3.00 per ride. People who use the train also have the option of purchasing a frequent-rider pass for $15.75 each month. With the pass, a ticket costs only $2.25 per ride. How many train rides in a month make the frequent-rider pass a better deal than standard train tickets?
A) 22 or more rides
B) 21 or more rides
C) 20 or more rides
D) 23 or more rides

Question

Quizplus · Accepted Answer

To find when the frequent-rider pass is a better deal, set up the inequality: 3x > 15.75 + 2.25x. Solving for x gives x > 21. Therefore, 22 or more rides make the pass a better deal.

Solve the Linear Inequality