Percentage Change (Real World Context)

Q2a. A cord-free vacuum cleaner costs $999 (Cost price). At an online store, it is sold at $1049 (Selling price). Express the profit as a percentage of the cost price. (Find the percentage of the profit).

• 4.76%

• 5.01%

• 50%

• 95%

Q2b. A cord-free vacuum cleaner costs $999 (Cost price). At a sale, it is sold at $499 (Selling price). Express the loss as a percentage of the selling price. (Find the percentage of the profit).

• 50%

• 100%

• 500%

Q3. A sound bar costs $898 (cost price). It is sold at a loss of 17% on the cost price. Find its selling price.

• $152.66

• $745.34

• $898

• $1050.66

Q4. The marked price of a mattress is $1344 (marked price). It is sold at a profit of 12%. Find the cost price of the mattress (the price before the marked price).

• $144

• $161.28

• $1200

• $1505.28

Q5. The marked price of a food processer is $95 (marked price). It is sold at a loss of 26% of the cost price. Find the cost price of the food processer. (the price before the marked price).

• $33.38

• $70.30

• $119.70

• $128.38

Q6. A shopkeeper buys 300 apples at $1.80 for a dozen (12 apples cost $1.80). 8% of the apples are rotten and are thrown away. The shopkeeper wants to earn a profit of 30% on the cost price. How much should he sell each apple for?

• $0.15

• $0.20

• $0.21

• $2.54

Q8. A game console priced at $428 (cost price) is sold for $360 (selling price). Find the discount as a percentage of the selling price.

• $68

• 15.9%

• 18.9%

• 84.1%

Q9. Luis bought an antique vase at a discount of 15%. He received a discount of $384. Calculate the marked price of the vase. (Hint: 15% discount -> 384)

• $326.40

• $384

• $2176

• $2560

12(i). Anna bought a sofa set which cost $380, excluding GST. Given that GST is at 7%, find the amount of GST she paid. (Hint: find 7% of the cost price)

• $26.60

• $26.88

• $357.12

• $406.60

12(ii). Anna bought a sofa set which cost $380 excluding GST. Given that GST is at 7%, find the total amount of money she paid for the sofa set. (Hint: including the GST)

• $26.88

• $357.12

• $406.60