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3 years ago

6

Yolanda bought some books. She spent a total of $45 after a discount of $6 off of her total purchase. Each book cost $3. How man

y books did she buy?

2 answers:

PolarNik [594]3 years ago

5 0

Answer:

ignore sorry need brainly answers

Step-by-step explanation:

Natasha_Volkova [10]3 years ago

5 0

Answer:

Yolanda bought 17 books.

Step-by-step explanation:

$45 + $6 = $51

$51 ÷ $3 = 17 books

You're welcome!

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An animal gained 5 kilograms steadily over 20 years. What is the unit rate of kilograms per year?

balandron [24]

The unit rate is 0.25 kilograms per year.

Step-by-step explanation:

Lets define unit rate first

Unit rate is the change in quantity per unit time.

Given

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Time = t = 20 years

So,

$Unit\ rate = \frac{weight}{time}\\=\frac{w}{t}\\= \frac{5}{20}\\= 0.25$

Hence,

The unit rate is 0.25 kilograms per year.

Keywords: Unit rate, rate of change

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Step-by-step explanation:

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Whats 4(d+2)-2d=3(2+d)

Dmitry [639]

Simplify:

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