aerialharris
aerialharris aerialharris
  • 04-05-2021
  • Mathematics
contestada

Me.red's science class , the ratio of boys to girls is 2.1 . If there are 9 total students in the class , how many boys are there ?

Respuesta :

drmallery drmallery
  • 04-05-2021

Answer:

6

Step-by-step explanation:

this is how I calculate:

2x + x  = 9

3x=9

x=3 girls

2(3)=6

6 boys

Answer Link

Otras preguntas

A bank charges $3 each time you use an out of network ATM. at the beginning of the month, you have $1500 in your bank account. you withdrawal $60 from your bank
written in simplest form, the expression (x^2)(y^2)-9 over 3-xy is equivalent to 1. -1 2. 1 over 3+xy 3. -(3+xy) 4. 3+xy Please show work
Is 4xy + 2y = 9 linear ? If yes write the equation in standard form & determine the x & y interests
how do you say 'im getting over you' in spanish
1. Compare the location of electrons in an atom based on Bohr's theory with the location of electrons in an atom based on the current atomic theory. 2. Rutherf
while your finger is still pushing the coin, there are four forces acting on the coin: what are they?
why do you use cubic units and not square units to find the volume of solid figures?
what type of bond is methane?
What is an analogy for democracy?
name three roles you play in your relationships with others. explain when you play each role.