Question:
There are 20 girls and 15 boys in a class.
(a) What is the ratio of number of girls to the number of boys?
(b) What is the ratio of number of girls to the total number of students in the class?
There are 20 girls and 15 boys in a class.
(a) What is the ratio of number of girls to the number of boys?
(b) What is the ratio of number of girls to the total number of students in the class?
(a) What is the ratio of number of girls to the number of boys?
(b) What is the ratio of number of girls to the total number of students in the class?
Updated On: Dec 17, 2023
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Solution and Explanation
(a) The ratio of girls to that of boys = \(\frac{20}{15}\)
\(= \frac{4}{3}\)
\(= 4:3\)
(b) The ratio of girls to total students = \(\frac{20}{20+15}\)
\(=\frac{ 20}{35}\)
\(= \frac{4}{7}\)
\(= 4:7\)
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