Respuesta :

HumanBein

Answer:

? = 35.

Step-by-step explanation:

According to the diagram...

? / 42 = 30 / (66 - 30)

? / 42 = 30 / 36

? / 42 = 5 / 6

6 * ? = 42 * 5

? = 7 *  5

? = 35

Hope this helps!

tramserran

Answer:  35

Step-by-step explanation:

Set up the proportion as follows:

[tex]\dfrac{66}{30}=\dfrac{42+x}{x}\\\\\\66x=30(42+x)\\\\\\66x=1260+30x\\\\\\36x=1260\\\\\\x=\dfrac{1260}{36}\\\\\\x=\large\boxed{35}[/tex]

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