gconrad190 gconrad190

02-11-2018
Mathematics

contestada

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

Respuesta :

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

Answer Link

Otras preguntas

On friday, niles sold $3.25 more than twice what she sold on thursday. she sold $20.25 friday. how much did she sell thursday?

the distance from the earth to the Sun is approximately 9.3×10^7 miles. if light travels 1.2×10^7 miles in 1 minute, how many minutes does it take the light fro

I placed 94 WPM typed with 93% accuracy. I need a pro to tell me how get that is compared to professional typists.

If x represents the width of a rectangle and if its length is twice its width how long is the rectangle

The ratio of girls to boys in the junior high band is 5 to 7. At the beginning of the year, there were 72 students in the band. By the end of the year, the rati

please help me with this.

how do you solve this absolute value equation? ∣x−2∣=∣4+x∣

How do you say I think in spanish

what is cos of negative pi/3? what is sin of negative pi/3?

A group of 19 students want to see the show at the planetarium. Tickets cost $11 for each student who is a member of the planetarium's frequent visitor program