shantejahtierr63961
21.02.2020 •
Mathematics
A science class has a ratio of 3 boys and 2 girls. Can there be 24 students in the class?
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Ответ:
Let 3x be the number of boys
Let 2x be the number of girls
3x + 2x = 24
5x = 24
x = 4.8
3(4.8) = 14.4 boys
2(4.8) = 9.6 girls
There can't be 24 students for a ratio of 3 boys and 2 girls, because there can't be 14.4 boys and 9.6 girls, it has to be an exact number, otherwise it wouldn't make any sense.
For example, you and I are both 1 person, we can't be half a person or 0.6 of a person, only 1.
Ответ:
b
Step-by-step explanation: