The ratio of junior to adult = 6/5
What is proportion?
An equality between two ratios. According to proportion, if 2 sets of given numbers area unit increasing or decreasing within the same quantitative relation, then the ratios area unit aforesaid to be directly proportional to every different.
Main body:
Given - data in the question
To find answer the question
Solution - Let no of junior, children and adults be x, y, z respectively.
Now, ratio of junior to children = 1/3
So, x = 3y
Ratio of children to adult = 5/2
So, 5y = 2z
.(2)
So, from (1) we get, y = x / 3
So, 5x / 3 = 2z
⇒5x = 6z
⇒ x/z=6/5
Hence, the ratio of junior to adult = 6/5
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