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Mashcka [7]
3 years ago
9

Use the figure to answer the question.

Mathematics
1 answer:
timurjin [86]3 years ago
5 0

Answer:

5 x 5 =25

<u>25 x 8 = </u><em><u>200</u></em>

8x8= 64

<u>64 x 1= </u><em><u>64</u></em>

Add the two number underlined

Answer is 264

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Step-by-step explanation:

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A 25% vinegar solution is combined with triple the amount of a 45% vinegar solution and a 5% vinegar solution resulting in 20 mi
Murrr4er [49]

Complete Question: A 25% vinegar solution is combined with triple the amount of a 45% vinegar solution and a 5% vinegar solution resulting in 20 milliliters of a 30% vinegar solution.

Write an equation that models this situation and explain what each part represents in the situation. Then solve the equation.

Step-by-step explanation:

let the volume of the 45% vinegar solution be x litres ,

the volume of the 25% vinegar solution be 3x

and the volume of the 5% vinegar solution be y

summation of all gives,

x+3x+y = 20

4x + y = 20

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y = 20 - 4x

To the concentration:

substituting for the value of x and y into equation x + 3x + y = 20, we have,

.45x + .25(3x) + .05(20-4x) = .3(20)

multiplying through by 100  to make whole figures we have;

45x + 25(3x) + 5(20-4x) = 600

45x + 75x + 100 - 20x = 600

120x - 20x + 100 = 600

100x + 100 = 600

subtracting 100 from both sides, we have;

100x = 600 - 100

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dividing both sides by 100,

x = 5.

7 0
3 years ago
Pls help this is major , ill mark you brainliest x.
fenix001 [56]

Answer:

A

Step-by-step explanation:

5 0
3 years ago
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