lobabachore2022
lobabachore2022 lobabachore2022
  • 22-12-2021
  • Mathematics
contestada

In a class there are 48 students.the number of girls is 3 times their boys . how many boys and girls are there in the class??​please help!

Respuesta :

arrowfighter333
arrowfighter333 arrowfighter333
  • 22-12-2021

Answer:

12 boys, 36 girls

Step-by-step explanation:

We can use systems of equations to solve this using substitution.

Let b = # of boys in the class

Let g = # of girls in the class

b + g = 48

g=3b

b+(3b)=48

4b=48

b=12

12*3=36

Check:

36+12=48

Answer Link

Otras preguntas

How much energy does 1 mole of these photons (550 nm) have, in kJ/mol? Group of answer choices 3.614 x 10¯19 kJ/mol 3.614 x 10¯20 kJ/mol 217.6 kJ/mol Not e
Which of the following choices are equivalent to the expression below? Check all that apply. X ^5/4
Does anybody know the answer??
A corrupt government breeds criminality throughout the economic system which then
Which of the following compounds contains an ionic bond?
do the ratios 9/18 and 1/2 form a proportion yes or no
what does the boot represent
The complex solution to a quadratic equation is real numbers. -12±56√6 -12-150 Write this solution in standard form, x = a + bi, where a and b are O-2±√5 O-12±
Determine which atom is oxidized and which is reduced in the reaction below. Also, determine the reducing (RA) and oxidizing (OA) agents. Write ionic species by
What are the pros and cons of allowing genetically altered means into the United States