gconrad190 gconrad190

02-11-2018
Mathematics

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n a classroom of 33 students, the ratio of boys to girls is 3 : 8. How many boys are in the class?

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wegnerkolmp2741o wegnerkolmp2741o

02-11-2018

3 boys + 8 girls = 11 students

3 boys/ 11 students = x boys /33 students

using cross products

3 * 33 = x*11

divide by 11

99/11 = x

x=9

There are 9 boys

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