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

For drivers age 16 and under, a 3rd dui conviction can result in referral to juvenile court and up to how many hours of community service

Subsidized dayaccording to jeff chambers, applicants with the _________ don’t fit with sas’s collaborative culture.care and free onsite recreation options are e

Three monuments in washington dc were erected in honor of what men

Which chemical equation below is balanced correctly? Al4C3 + 12H2O-----> 3CH4 + 4Al(OH)3 NaCl + CaO -----> Na2O + CaCl2 3LiOH + Fe(NO3)3 -----> 2LiN

Solve for n: 7n – (4 – 2n) = 3(n + 5) - 1

According to this article, the electric chair was invented by the dentist.

How do you do this question ?

The price of a computer component is decreasing at a rate of 15% per year. If the component costs $110 today, what will it cost in 3 yrs?

Which statement concerning protein synthesis in cells is most accurate?

Which of the following is composed of myosin protein? hick filaments thin filaments Z discs all myofilaments