joannadegro
joannadegro joannadegro
  • 02-03-2017
  • Mathematics
contestada

The ratio of girls to boys in the geography bee was 5 to 4. There were 36 total students. How many were boys?

Respuesta :

H1a2r3s4h5 H1a2r3s4h5
  • 02-03-2017
Girls:boys=5:4
So girls=5x
Boys=4x
total students=36
5x+4x=36
9x=36
x=4
So girls are=5x=5×4=20
Boys are=4x=4×4=16
Answer Link

Otras preguntas

Wendy drew a square. She then erased it and drew a second square whose sides were 3 times the sides of the first square. The area of the second square is k% gre
How would you solve equations with 3 sides or whatever this is
Select the correct answer According to the yerkes-dodson law A. To get your best performance be as stressed as possible B. Stress can help improve performance
First to answer, gets BRAINLIEST (5x6)(-8+2)(4÷8)(0)(-.5-3)(-10+2) =
Write 3729 correct to the nearest hundred.
4) Which pair of triangles is congruent by Angle - Angle- Side
strengths as bases:H2O, F-, Cl-, NO,, and CN- ​
A 2-meter roll of fabric costs $1.36. What is the unit price?
she _____ not understand my language (do/does)​
27. To become a law, a bill in Congress must A. Receive a 2/3 majority of votes in congress B. Receive a 3/4 majority votes in each house of congress C. Pass bo