joannachavez12345
25.11.2019 •
Mathematics
The ratio of boys to girls on the bus is 3: 2. if there are 18 boys on the
bus, how many girls are on the bus?
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Ответ:
12 girls 18 boys Total 30 students
Step-by-step explanation
x=number of girls
18/3 = x/2
3x=18*2
3x=36
x=12
Other proof
x= number of groups
3x +2x = 30
5x=30
x=6
3*(6) + 2*(6) = 30
18+12=30
Ответ: