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Mathematics 15 Online
OpenStudy (anonymous):

IN a certain school, the ratio of boys to girls is 3 to 7. If there are 150 boys and girls in school, how many boys are there?

OpenStudy (anonymous):

these are the only possible answers A. 45 B. 75 C. 90 D. 105 E. 129

hero (hero):

kortney, the previous answer is E = C and D

OpenStudy (anonymous):

Thank you! :)

OpenStudy (anonymous):

its 150 boys AND girls

hero (hero):

I misread the question

OpenStudy (anonymous):

0.3*150

OpenStudy (anonymous):

ans is 45

OpenStudy (anonymous):

option A

OpenStudy (king):

45

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