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7nadin3 [17]
3 years ago
15

Jane needs to make 10 liters of a solution that is 10% salt. She has a solution that is 5% salt and a solution that is 25% salt.

How much of each solution should Mia use?
2.5 liters of the 5% salt solution and 7.5 liters of the 25% salt solution

8 liters of the 5% salt solution and 2 liters of the 25% salt solution

4 liters of the 5% salt solution and 6 liters of the 25% salt solution

7.5 liters of the 5% salt solution and 2.5 liters of the 25% salt solution
Mathematics
2 answers:
quester [9]3 years ago
5 0

Answer:

2.5 liters of the 5% salt solution and 7.5 liters of the 25% salt solution

Step-by-step explanation:

0.05x + 0.25(10-x) = 0.10*10,

0.05x + 2.5 - 0.25x = 1,

-0.2x = -1.5,

x = 7.5,  liters of 5% salt solution

trapecia [35]3 years ago
5 0

Answer:

2.5 liters of the 5% salt solution and 7.5 liters of the 25% salt solution

Step-by-step explanation:

0.05x + 0.25(10-x) = 0.10*10,

0.05x + 2.5 - 0.25x = 1,

-0.2x = -1.5,

x = 7.5,  liters of 5% salt solution

Read more on Brainly.com - brainly.com/question/12305272#readmore

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A shirt company has 3 designs each of which can be made with short or long sleeves . There are 7 color patterns available. How m
Arlecino [84]

Answer:

There are 42 different types of shirt available for this company.

Step-by-step explanation:

Given:

Number of design Company has = 3

Number of color pattern available = 7

Types of shirt (short or long sleeves) = 2

We need to find the number of different types of shirts are available from this company.

Solution:

the number of different types of shirts can be calculated by multiplying Number of design Company has with Number of color pattern available also multiplying with Types of shirt (short or long sleeves).

framing in equation form we get;

the number of different types of shirts 3\times7\times2 =42

Hence There are 42 different types of shirt available for this company.

5 0
3 years ago
In Sakura's garden, for every 5 red flowers, there are 10 yellow flowers. There are 75 total red and yellow flowers. How many re
sweet [91]

Answer: there are 25 red flowers in Sakura's garden.

Step-by-step explanation:

In Sakura's garden, for every 5 red flowers, there are 10 yellow flowers. This means that if there are 10 red flowers, there would be 20 yellow flowers. if there are 20 red flowers, there would be 40 yellow flowers. Therefore, the ratio of red flowers to yellow flowers in the garden is

5/10 = 10/20 £= 20/40 = 1/2 = 1:2

Total ratio = 2 + 1 = 3

If there are 75 total red and yellow flowers, then the total number of red flowers are in Sakura's garden would be

1/3 × 75 = 25

8 0
3 years ago
Help please! Ty! Ratios
Kamila [148]

Answer:

Ratios to roses to lilies....6:9

Reduced.....2:3

Step-by-step explanation:

Pretty simple doesn't need explaining

8 0
3 years ago
The Value of x in the system of equation at the right is -2 what is the value of a? use elimination to help you find the value.
sammy [17]

2x-4y=-16
ax+4y=6      +
--------------------
2x+ax=-10;     for x=-2, 
2(-2)+a(-2)=-10
-2a=-10+4
a=-6/-2
a=3
7 0
3 years ago
Devon made a mosaic in art class with different-shaped tiles. She started by putting 2 rows of t triangle tiles at the top of th
umka2103 [35]

The expressions that represent number of tiles that Devon used on her mosaic:

A. 20 + 2t + 2c

D. 20 + t + t + c + c

<h3>What is an expression?</h3>

An expression refers to a mathematical equation which shows the relationship between two or more numerical quantities or variables.

For the expressions that represent number of tiles that Devon used on her mosaic:

  • Let the triangle tiles be t.
  • Let the circle tiles be c.
  • Two rows of t triangle tiles = t + t = 2t.
  • Two rows of c circle tiles = c + c = 2t.

Mathematically, the expression is given by:

Total tiles = 20 + t + t + c + c

Total tiles = 20 + 2t + 2c.

Read more on expressions here: brainly.com/question/12189823

#SPJ1

Complete Question:

Devon made a mosaic in art class with different-shaped tiles. She started by putting 2 rows of t triangle tiles at the top of the mosaic and 2 rows of c circle tiles at the bottom. She finished by putting 20 square tiles in between the triangle and circle tiles.

Pick all the expressions that represent how many tiles Devon used on her mosaic.

A. 20 + 2t + 2c

B. 20 + 4 ( t + c )

C. 2 ( 20 + t + c )

D. 20 + t + t + c + c

8 0
2 years ago
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