- A1 : 2
- B1 : 3
- C3 : 1
- D6 : 7
Step-by-Step Solution
There are 6 red, 5 blue and 7 green marbles: 18 in all. Red : total . (1 : 2 is red : non-red; 6 : 7 is red : green.)
Answer: B) 1 : 3
Count the marbles in the jar. What is the ratio of red marbles to the total number of marbles, in simplest form?
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