Every month the Incredible Ice Cream Shop sends a card with a coupon for free ice cream treat to the members of their ice cream club who were born in that month. The number of members and their birthday month is shown below.
What percent of the total number of coupons are sent out in October through December?
![Every month the Incredible Ice Cream Shop sends a card with a coupon for free ice cream treat to the members of their ice cream club who were born in that month class=](https://us-static.z-dn.net/files/d5e/b1c55e32302c5ecf31e16877c9218764.png)