Calculating Percentages of Amounts — Solutions

1. The 1% Method

   1. $24 ▶ View Solution
   2. $84 ▶ View Solution
   3. $23 ▶ View Solution
   4. $27 ▶ View Solution
   5. $100 ▶ View Solution

2. Common Benchmarks: 25%

   1. 200 g ▶ View Solution
   2. $11 ▶ View Solution
   3. 90 km ▶ View Solution
   4. $49 ▶ View Solution

3. Common Benchmarks: 20%

   1. $70 ▶ View Solution
   2. 30 km ▶ View Solution
   3. $17 ▶ View Solution
   4. 300 mL ▶ View Solution

4. The 10% Jump

   1. 21 ▶ View Solution
   2. 96 ▶ View Solution
   3. 90 ▶ View Solution
   4. 48 ▶ View Solution
   5. 280 ▶ View Solution

5. Combining Percentages

   1. $72 ▶ View Solution
   2. $55 ▶ View Solution
   3. $28 ▶ View Solution
   4. $90 ▶ View Solution

6. Mental Halving

   1. $8 ▶ View Solution
   2. $21 ▶ View Solution
   3. $4.50 ▶ View Solution
   4. $17 ▶ View Solution

7. The 15% Tip

   1. $30 ▶ View Solution
   2. $9 ▶ View Solution
   3. $12 ▶ View Solution

8. Shopping Discounts

   1. Save: $16 ▶ View Solution
   2. Save: $30 ▶ View Solution
   3. Save: $19.50 ▶ View Solution

9. Mixed Units

   1. 1 500 mL (1.5 L) ▶ View Solution
   2. 600 g ▶ View Solution
   3. 1 350 m ▶ View Solution

10. Sale Price with GST

    1. Sale price: $126 ▶ View Solution
    2. Price with GST: $138.60 ▶ View Solution