What are the odds IN FAVOR of picking a red marble from a bag of 10 green marbles, 10 yellow marbles, and 5 red marbles?

there is a 20% chance of getting a red marble

Step-by-step explanation:

there is a 1/5 percent chance or 20%

Step-by-step explanation:

Hope this helps!

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step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!