Mathematics: I didn’t understand how to solve this, i’d be happy if someone explained thank you

I didn’t understand how to solve this, i’d be

Ответ:

jaymoore9542

11.02.2022

Mathematics

Option (E)

Step-by-step explanation:

$\frac{a}{b}=\frac{c}{d}=k$

$\frac{a}{b}=k$

$b=\frac{a}{k}$ ------(1)

$\frac{c}{d}=k$

$d=\frac{c}{k}$ -------(2)

Since, $\frac{6a+24}{md+6b}=k$

By substituting the values of b and d from equation (1) and (2),

$\frac{6a+24}{\frac{mc}{k}+\frac{6a}{k}}=k$

$\frac{k(6a+24)}{6a+mc}=k$

$\frac{6a+24}{6a+mc}=1$

6a + 24 = 6a + mc

mc = 24

m = $\frac{24}{c}$

Therefore, Option (E) will be the correct option.

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Ответ:

ebigham5117

31.12.2022

Mathematics

Part A: Total cost = 10 + 4s

Part B: Solving for s = 2

10 + 4 * 2 = US$ 18

Correct statement and question:

Write an expression to represent admission to a zoo of $10.00 and the cost of special exhibits s at $4 each. Evaluate your expression when s = 2.

Source: https://www.slader.com/discussion/question/write-an-expression-to-represent-admission-to-a/

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Admission to the zoo = US$ 10

Special exhibit cost (s) = US$ 4

2. Evaluate your expression when s = 2

Total cost = Cost of admission + (s) * Special exhibit cost

Total cost = 10 + (s) * 4

Total cost = 10 + 4s

3. Solving for s = 2

10 + 4s

10 + 4 * 2 = US$ 18

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I didn’t understand how to solve this, i’d be happy if someone explained thank you

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