In a class there are 42 boys and 38 girls. Find the ratio of the number of boys to the number of girls and also find the ratio of the number of girls to the number of boys.
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Solution
Boys = 42
Girls = 38
Boys to Girls = 42/38 = 21/19
= 21:19
Girls to Boys = 38/42 = 19/21
= 19 : 21