You need to set up a fraction. You can use red/blue which would be 5/7. Then, create the second ratio which would be 8/12. And there you will find your answer, which this answer also works for your answering wether you get yes or no.
Answer:
1)
2) 
Step-by-step explanation:
Please ignore the squiggle in the middle of the page.
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<span>Eighty-four thousand, fifty-two</span>
Like in real life problems?
if yes then when conducting a survey, when grading quizzes/assignments, etc