# Math Help - doing simple percents with varables

1. ## doing simple percents with varables

50% of n = 16

p% of 300 = 120

33 1/3% of 45 = y

i'm totally lost with how to do these. i really need help. PLEASE?

2. ## hello

50% of n =16
then if 50%=16
100% of n= 32
.
p% of 300 =120
then p=120/300=0.4=40%.

3. Originally Posted by angelicpassions

33 1/3% of 45 = y
Hi angelicpassions,

It's good to know that $33\frac{1}{3}\% = \frac{1}{3}$

Because then we have

$\frac{1}{3} \times 45 =\frac{45}{3}=15$