A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%. Bea's total will be $33.40.
<h3>What are Percentages?</h3>
A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.
To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.
Given that Bea orders a drink that costs $2.50, an appetizer that costs $8.50, and a sandwich that costs $15.30.
Cost of the order
= Cost of a drink + Cost of an appetizer + Cost of a sandwich
= $2.50 + $8.50 + $15.30
= $26.3
Also, she needs to pay 7% sales tax and 20% tip, therefore, in total, we can write,
Total cost
= Cost of the order + 7% of Cost of the order + 20% of Cost of the order
= $26.3 + 0.07($26.3) + 0.20($26.3)
= $26.3 + $1.841 + $5.26
= $33.401 ≈ $33.40
Hence, Bea's total will be $33.40.
Learn more about Percentages here:
brainly.com/question/6972121
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