SOLUTION: If the ratio of boys to girls in a class is 3:8 will the ratio of boys to girls stay the same, increase or decrease if 2 boys and 2 girls are added? Explain your reasoning.

Question 739487: If the ratio of boys to girls in a class is 3:8 will the ratio of boys to girls stay the same, increase or decrease if 2 boys and 2 girls are added? Explain your reasoning.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
If the ratio of boys to girls in a class is 3:8 will the ratio of boys to girls stay the same, increase or decrease if 2 boys and 2 girls are added?
:
Let 3x = original number of boys
let 8x = original number of girls
:
See if there is a value of x where this to be true
=
8(3x+2) = 3(8x+2)
24x + 16 = 24x + 6
obviously it can't be true (they can't be the same ratio)
:
assuming there are 3 boys and 8 girls originally
= = .5; = .375,
You decide which is the greater ratio
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