Checking progress account…
Opening your study space…
Checking progress account…
Opening your study space…
Lesson
This chapter connects proportional reasoning with percentage, profit, loss, discount, tax, and simple interest.
Learning objectives
Review the main methods in Ratio, Proportion, and Commercial Mathematics.
Choose the correct formula, rule, graph, or construction step.
Show working clearly and check the final unit or form.
Lesson
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Notes
Review the compact notes before moving into recall.
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Choose one small set. The full bank opens only inside the practice session.
Lesson progress
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