Answer
See the picture.
Work Step by Step
Total: $13+138+69+113+113+181=627$ teens.
The relative frequency for "None" is $\frac{13}{627}\approx0.0207$
The relative frequency for "1-10" is $\frac{138}{627}\approx0.2201$
The relative frequency for "11-20" is $\frac{69}{627}\approx0.1100$
The relative frequency for "21-50" is $\frac{113}{627}\approx0.1802$
The relative frequency for "51-100" is $\frac{113}{627}\approx0.1802$
The relative frequency for "101+" is $\frac{181}{627}\approx0.2887$
