Solve Problems Involving Tips

(D) Solve problems involving ratios, rates, and percents, including multi-step problems involving percent increase and percent decrease, and financial literacy problems

(Y7) Find percentages of quantities and express one quantity as a percentage of another, with and without digital technologies. (ACMNA158)

(Y8) Solve problems involving the use of percentages, including percentage increases and decreases, with and without digital technologies (ACMNA187)

(Y11-12) Calculate a percentage of a given amount (ACMEM011)

(Y11-12) Apply percentage increases and decreases in situations; for example, mark-ups, discounts and GST (ACMEM013)

7.RP.3 Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error.