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alexira [117]
2 years ago
7

Alma and Crystal went out to et and spent $16. They wanted to tip the waitress 15%, what was the total cost of their meal includ

ing tip?
A: 2.40
B: 18.40
C: 4.80
D: 46.80
Mathematics
2 answers:
Licemer1 [7]2 years ago
8 0

Answer:

B: $18.40

Step-by-step explanation:

100% is equal to $16 so 5% would be 16/20 or $0.80 then to get 15% you would multiply $0.80 by 3 which is $2.40. This is the tip. Then do $16 + $2.40 and the total + tip is $18.40. (Double check to make sure I'm correct)

tangare [24]2 years ago
4 0

Answer:

I dont know

Step-by-step explanation:

I don’t know

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3 years ago
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3 years ago
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There are 420 books on a bookcase with 7 shelves. Each shelf has the same number of books. How many books are on 4 shelves? 28 6
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If we have 420 books for every 7 shelves and are looking for how many books are on 4 shelves, we need to set up fractional proportions.

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Set these fractions up as an equation.
7/420 = 4/x

To solve for x, we need to cross multiply the numerators of one fraction with the denominators of the other fraction.
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It should look like this:
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Set your products up as an equation.
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Now to solve for x, we need to simplify.
Currently, x is being multiplied by 7.
To get x alone, divide 7x by 7.
Remember, what you do to one side of an equation, you must do to the other, so divide 1680 by 7.

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I hope this helps!

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faltersainse [42]

\text{Use pythagorean theorem}

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