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nikitadnepr [17]
3 years ago
13

1. June collects books. Last year she had 20 books in her collection. Now she has 30 books. What is the percent increase of her

collection?
2. Mallory’s bill at the Townie Deli is $15.70, not including tax. If she leaves an 18% tip and has to pay 7% sales tax, how much is the total bill?
3. A tablespoon is equivalent to about 4 teaspoons. A recipe calls for 2/3 cup of sugar for every 1/2 teaspoon vanilla. What is the unit rate in tablespoons per cup?

Mathematics
2 answers:
Aleks04 [339]3 years ago
6 0

Answer:

2) 19 dollars and 63 cents.

Step-by-step explanation:

not inc. tax = $15.70.

18% tip x $15.70=$2.83

7% tax x $15.70 = $1.10

$15.70 + $2.83 + $1.10 = $19.63

Inessa05 [86]3 years ago
3 0
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bulgar [2K]

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2 years ago
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Snezhnost [94]

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Which of the following sets is NOT closed under addition.
Veronika [31]

Answer:

Step-by-step explanation:

The odd numbers.

Suppose you have 31 and 27 when you add these two together, you get 58 which is not an odd number.

If you need a more mathematical proof, you could do it this way.

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2x is even. Anything multiplied by 2 is even. When you add 1 you get an odd number

So continue on

2y + 1 is the other number.

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7 0
3 years ago
Paul’s plumbing charges a flat fee of $90 plus $40/h for a plumbing job. perfect pipes charges a flat fee of $60 plus $55/h for
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3 0
3 years ago
Read 2 more answers
The slope of the line is 0. It passes through the point (-3,4). Identify two other points on the line. Justify you answer
BARSIC [14]

Answer:

Two other points: (2, 4) (6, 4)

Step-by-step explanation:

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I chose the ordered pairs, (2, 4) and (6, 4).

Attached is a screenshot of the graphed linear equation, y = 4.        

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2 years ago
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