Math Help - Math trivia: Ratios

1. Math trivia: Ratios

hello,, i forgot how to do this

n: p: d

n=2 p=4 so n : p 2:4

while p=4 d=6 so p : d 4:6

what is the ratio of n:d??

2. Originally Posted by aeroflix
hello,, i forgot how to do this

n: p: d

n=2 p=4 so n : p 2:4

while p=4 d=6 so p : d 4:6

what is the ratio of n:d??
recall that you can think of ratios as division. $x:y \equiv \frac xy$.

Now, note that $\frac nd = \frac np \cdot \frac pd$

see what do do now?

3. i dont stilol get it? thanks

4. Originally Posted by aeroflix
i dont stilol get it? thanks
i gave you an equation. rewrite them as ratios (with the ":") and see what you get

5. oh, its hard

6. Originally Posted by aeroflix
oh, its hard
try

post what you get