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9. A cookie platter has a chocolate chip to sugar cookie ratio of 2:6. There are 12 chocolate chip cookies on the platter. What is the total number of cookies on the platter?

Respuesta :

ratio = 2:6 = chocolate chip: sugar cookie

For 12 chocolate chip cookies:

2/6 =12/x

Where x is the number of sugar cookies :

Solve for x:

x = 12/(2/6)

x= 36

So, for 12 chocolate chip cookies, there are 36 sugar cookies.

Add both:

12+36 = 48 cookies on the platter

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