Question

The ratio of boys to girls in a class is 3:5. There are 32 students in the class. How many students are girls?
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Answer 1

Answer:

$Boys : Girls \\ 3 : 5 \\ 3x : 5x \\ \\ 3x + 5x = 32 \\ 8x = 32 \\ x = \frac{32}{8} \\ \large{ \boxed{x = \underline{ \underline{4}}}} \\ \\ \large{ \bf{Boys : Girls}} \\ 3x : 5x \\ 3 \times 4 : 5 \times 4 \\ \large{ \bf12 : 20} \\ \\ Number \: \: of \: \: Boys \: \: in \: \: Class : 12\\ Number \: \: of \: \: Girls \: \: in \: \: Class :20 \\Total \: \: Students : 32$