c) There are 32 students in a class. If the ratio of the number of boys and girls is 5:3, find the number of boys and girls.
2 answers:
Answer:
The no. of boys = 20
The no. of girls = 12
Step-by-step explanation:
Ratio of no. of boys to girls = 5 : 3
[5 multiplied with something, and 3 multiplied with something, added together makes 32.Thus, that something = x]
5x + 3x = 32
= 8x = 32
=x = 32÷8 = 4
5x = 5 x 4 = 20
3x = 3 x 4 = 12
boys : girls = 5 : 3 (total ratio = 8)
boys = 5/8 x 32 = 20
girls = 3/8 x 32 = 12
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