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

How do you put 0.8918 as a fraction

write the ratio 6 ft to 4yd as a fraction in simplest form.

write the ratio as a fraction in simplest form. 16ft to 6yd

Why should mass not be represented by an arrow?

Jane likes to sunbathe She has read about risks from sunbathing and how to reduce them. She thinks she is not at risk from sunbathing because she has dark skin.

You just priced what it would cost to buy vinyl floor tiles at the local tile store. They quoted you $3.29 per tile. When you went home you found the same exact

write the ratio 6 ft to 4yd as a fraction in simplest form.

Suppose the slope of a line is positive. Describe what happens to the value of x as the value of y increases

A Coast Guard ship patrols an area of 125 square miles. The area the ship patrols is a square. About how long is each side of the square? Round your answer to t

What activities can you do on Jupiter?!