Solve.If the problem asks for a ratio, give it in simplified form.
A jar contains 19 marbles, of which 1 is blue, 1 is red, and the rest are green. What is the ratio of blue marbles to red marbles to green marbles?
A jar contains 30 marbles, of which 5 are blue, 6 are red, and the rest are green. What is the ratio of green marbles to all marbles?
A pattern has 2 blue triangles to every 10 yellow triangles. What is the ratio of blue triangles to all triangles?
A herd of 30 horses has 7 white and some black horses. What is the ratio of black horses to all horses?
A group of preschoolers has 12 boys and 10 girls. What is the ratio of girls to all children?
A pattern has 12 blue triangles to every 6 yellow triangles. What is the ratio of yellow triangles to blue triangles?
1 : 1 : 17
19 : 30
1 : 6
23 : 30
5 : 11
1 : 2
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