Module Directions

This module contains 32 multiple-choice questions pulled and reformatted from your 26 여름 실전반 practice set (pp. 120–129): percent expressions, percent-change word problems, absolute value equations, and linear systems.

• Tap a bubble to lock in an answer — the explanation appears immediately.
• Use Hint before answering if you're stuck; use Concept notes at the top of each section for the underlying rule.
• The on-screen calculator (top right) is available for the whole module, matching digital SAT rules.
• Scroll through all 32 questions, then tap Finish & See Results at the bottom for your estimated score and a review of missed questions only.