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

When did the english monarchy last switch to a new family?

Explain how many 1/8 parts are equivalent to one 1/4 part on your paper

How do I find the area?

PLS HELP AT LEAST HELP ME UNDERSTAND THE CONCEPT

Jennifer surveyed her classmates recording gender, whether or not they had siblings, and if they liked school. Which two-way table displays the gender and if

Why might Winterbourne be envious of Daisy?

Teaching social skills, such as turn-taking or entering a group, has what effect on children?

In 1883, the Supreme Court ruled that there was a difference between

a parent died and left an estate to four children. One inherited 1/2 the second inherited 1/8 and the third inherited 1/4. how much did the fourth inherit?

Which form of jazz was considered to be accessible version of bebop ?