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

Which of the following occurred after King Solomon died? Judah was conquered by the Babylonians. Israel was conquered by the Assyrians. All of the Above The Kin

please explain thanks

negative 4 divided by 3 as a fraction.

Find the area of this triangle. 7 19° 12 ? ] square units Round to the nearest tenth.

Which of the following are square roots of —8 + 8i/3? Check all that apply.

A laser printer use laser to .

Vocabulary meaning of Axis Meaning of axis

The NADH and FADH2 used by the electron transport chain are normally produced in the mitochondria; however. Select one: a. NADH is also produced during glycolys

What will MOST LIKELY happen if you keep lowering the temperature of water? A. It will change state from liquid to solid. B. It will become a new type of matter

Which sentences would be effective thesis statements for a paragraph evaluating an argument? Select two options. Hollembeak's review of the high school's play i