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At Quincy Middle School, there are 45 girls and 27 boys in the sixth grade. There are two sixth grade classrooms. Ms. Alvarado's class has twice as many girls as boys. The ratio of girls to boys in Mr. Lowry's class is 3:2. how many girls and boys are in Ms. Alvarado's class?



Answer :

ms alvadaro 2:1 mr lowry 3:2
3+2=5  2+1=3
5:3
45/5=9 27/3=9
2·9=18  1·9=9

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