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Dennis_Churaev [7]
3 years ago
5

After buying five coloring books that cost $3 each, Mary had %8.50 left. How much money did she have at first

Mathematics
1 answer:
TiliK225 [7]3 years ago
3 0

Answer:

$23.50

Step-by-step explanation:

$8.50 + $3(5) = $23.50

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Pierre uses 30 grams of chocolate to make
Travka [436]

Pierre can make 3 liters of chocolate sauce from 450 grams of chocolate.

Step-by-step explanation:

Given,

Chocolate used to make 200 ml of chocolate sauce = 30 grams

Ratio of chocolate to milliliters of chocolate sauce = 30:200

Let,

x be the milliliters of sauce made from 450 grams of chocolate

Ratio of chocolate to ml of sauce = x:450

Using proportion;

Ratio of chocolate to ml of sauce:: ratio of chocolate to ml of sauce

30:200::450:x

Product of extreme = Product of mean

30*x=200*450\\30x=90000

Dividing both sides by 30

\frac{30x}{30}=\frac{90000}{30}\\x=3000

450 grams of chocolate will make 3000 milliliters of chocolate sauce.

We will convert this in liters.

1 liter = 1000 ml

3000 ml = \frac{3000}{1000} = 3 liters

Pierre can make 3 liters of chocolate sauce from 450 grams of chocolate.

Keywords: ratio, proportion

Learn more about proportion at:

  • brainly.com/question/1414350
  • brainly.com/question/1418853

#LearnwithBrainly

3 0
3 years ago
A triangle in the coordinate plane has vertices of (2,6).(-4,-4), and (0,-6). The triangle is dilated with a scale factor of 2.
Serhud [2]

Answer:

To solve this problem you have to multiply all of the coordinates by 2

So your answers are

(2,6) ---> (4,12)

(-4,-4) ---> (-8,-8)

(0,-6) ---> (0,-12)

Could you please make brainly :)

Hope this helps ;)

Step-by-step explanation:

5 0
3 years ago
What is the volume of the prism​
zaharov [31]
To find the volume of a rectangular prism, multiply its 3 dimensions: length x width x height. The volume is expressed in cubic units.
3 0
3 years ago
Read 2 more answers
In letters (b) leave your answer in terms of the constants a, b, c and d
Ivan
I think you mean to find b in terms of the constants a, c and d.

(x + a ) / b - c = d

(x + a) / b  = c + d

Cross multily:-

x + a = b(c + d)

b =   (x + a) / (c + d)
8 0
4 years ago
Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
vazorg [7]

Answer:

80

Step-by-step explanation:

You need to divide 20 by 1/4 as 1/4 of the people support it, and you need 20. 20/(1/4)=80.

3 0
3 years ago
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