Set 4: Percentages

Explanation

Answer: B

Aria wants to leave a 10% tip on a $78 meal. What is the tip amount?

✓ Correct

Detailed Explanation

Choice B is correct. 1. Meal cost: $78 Tip rate: 10% Tip: 10% ×$ 78 = $8 Therefore, the tip is$ 8.

Key Steps:

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Apply the appropriate mathematical formula

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The correct answer is 8

Why others are wrong:

A: This would give an incorrect result. Choice A is incorrect and may result from a calculation error.

C: This would give an incorrect result. Choice C is incorrect and may result from a calculation error.

D: This would give an incorrect result. Choice D is incorrect and may result from a calculation error.

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