Auntie Lim buys 3 packets of curry powder at $2.40 each and 2 bottles of coconut milk at $3.90 each. The supermarket gives a 20% discount on coconut milk only. She pays with a $20 note. How much change does she receive?
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Worked Solution
Step 1: Find the cost of curry powder.
3 × $2.40 = $7.20
Step 2: Find the full cost of coconut milk.
2 × $3.90 = $7.80
Step 3: Calculate the 20% discount on coconut milk.
Discount = 20% × $7.80 = 0.20 × $7.80 = $1.56
Step 4: Find the cost of coconut milk after discount.
$7.80 − $1.56 = $6.24
Step 5: Find the total amount paid.
$7.20 + $6.24 = $13.44
Step 6: Calculate the change.
$20.00 − $13.44 = $6.56
Answer: $6.56
Answer: $6.56
Correct answer: $6.56
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