3 years ago

Answer this question below:

Mathematics

1 answer:

777dan777 [17]3 years ago

7 0

Answer:

Step-by-step explanation:

a) Tip = 15% of bill = 15% * 21 = 0.15 * 21 = $ 3.15

Amount including tips = 21 + 3.15 = $ 24.15

b) Tip = 15% of b = 0.15b

Amount including tips = b +0.15b

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