gconrad190 gconrad190

02-11-2018
Mathematics

contestada

n a classroom of 33 students, the ratio of boys to girls is 3 : 8. How many boys are in the class?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

02-11-2018

3 boys + 8 girls = 11 students

3 boys/ 11 students = x boys /33 students

using cross products

3 * 33 = x*11

divide by 11

99/11 = x

x=9

There are 9 boys

Answer Link

Otras preguntas

How many times does 73 go into 430

if 1+4=5, 2+5=12, 3+6=21 then 8+11=?

Which of these statements best describes transportation within cities in the early 1800s?

The situation in which an allele frequencies in the gene pool of a population remain constant is called A. evolution B.genetic drift C.genetic equilibrium D.n

Peg and Susan are discussing migration. Peg says that migration is associated with seasonal changes and that animals usually migrate in large groups. Susan says

A piece of music where one part echoes or imitates another part is known as what?

Nuclear fusion has not yet been harnessed as an energy source because

What is one factor that motivated Japan's imperialism before World War II? A. Japan lacked many important natural resources. B. Japan's neighbors were ruled by

suppose you only have hundreds,tens and ones blocks. what are two different ways you could make the number 4718

which of the following is NOT a responsibility of the president? A.) commander in chief of the military B.) pardon someone of a federal crime C.) app