Youth Group Trip The youth group is going on a trip to an amusement park in another part of the state. The trip costs each group member $150, which includes $85 for the hotel and two one-day combination entrance and meal plan passes. Write an equation representing the cost of the trip. Let be the cost of the park pass.

Solve the equation algebraically to find the cost of the park pass. Then write the reason that justifies each step using if-then statements.