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Real-Life Percentage Calculations
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Real-Life Percentage Calculations
🛍️ Part 1: Shopping Discounts
1. A video game costs $60 but has a 25% discount. What is the sale price?
Sale price: $________
2. Which item has the biggest discount amount?
Shoes: $80 with 30% off
Jacket: $120 with 20% off
Backpack: $50 with 40% off
3. A bicycle originally costs $240. It's marked down to $180. What percentage discount is this?
Percentage discount: _______%
4. Sarah has $150 to spend. A tablet costs $200 but has a 30% discount. Can she afford it?
Yes, she can afford it
No, she cannot afford it
💰 Part 2: Adding GST (Tax)
5. A book costs $25. How much will it cost including 10% GST?
Total cost with GST: $________
6. Complete the table by calculating the GST and total cost for each item:
| Item | Price (before GST) | GST Amount (10%) | Total Cost |
|---|---|---|---|
| Headphones | $90 | $________ | $________ |
| Calculator | $35 | $________ | $________ |
| Sports equipment | $160 | $________ | $________ |
7. Tom bought items worth $220 including GST. What was the price before GST was added?
Price before GST: $________
🧮 Part 3: Real-World Problem Solving
8. Emma wants to buy a laptop that costs $800. The store offers a 15% discount, but then 10% GST is added to the discounted price. What is the final amount Emma pays?
Final amount: $________
9. A restaurant bill shows:
- Food: $45
- Drinks: $15
- GST (10%): $______
- Total: $______
Calculate the missing amounts.
10. Explain in your own words why it's important to understand percentage calculations when shopping:
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