Mathematics · Percentages
Students are solving questions based on percentage discounts. One question requires calculating the total cost of two identical bikes, with an 8% discount on each bike. One group calculates the combined original cost of the bikes and then deducts 16% from the total. The method used by this group is:
- 1Correct, and is the only way to calculate the discount and cost.
- 2An alternate correct strategy to solve the question.
- 3Incorrect, since they have deducted a 16% discount from the total instead of 8%.✓
- 4Incorrect, since they should have deducted 16% from the average cost of the bikes.
Correct answer
Incorrect, since they have deducted a 16% discount from the total instead of 8%.
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